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  1. Trigonometric functions
  2. Sum and diffrence Formulas
  3. Proving Cofunction Identities
  4. How many solutions of the trig functions
  5. Circle in Triangle
  6. 2d rotation matrix...
  7. can any one help me solving this proof ???
  8. Easy enough but apparently my math tutor doesnt understand that I DONT GET IT.
  9. solve the equations
  10. Another Identity problem
  11. simplify using identities
  12. Prove that if abc=a+b+c in an acute triangle then 1<S
  13. Trip identity
  14. Weird Trig problem about exact values of sin, cos, and tan
  15. Need help with trig identities
  16. solving equation
  17. Trigonometric functions roots
  18. Please help - inverse cot
  19. Problem with induction on trigonometry
  20. trig 3
  21. Inverse functions
  22. Sums of Sine Waves
  23. Help with Proof
  24. Inverse functions
  25. proving indentities..
  26. inverse trig functions
  27. trig ratio
  28. minimum value
  29. Pythagorean Theorem?
  30. [SOLVED] prove equality using double angle identity
  31. Trigo-equation
  32. Proving Identies
  33. show that 8sin20sin40sin80 = root3
  34. triangle
  35. Proving
  36. Verification problems
  37. Finding solutions to this annoying equation ..
  38. [SOLVED] tangent sum identity issue
  39. Basic trig problem
  40. Help on Question
  41. arcsine range?
  42. f(x) and f(cx)
  43. Tan A
  44. Proof
  45. [SOLVED] exact answer using trigonometric difference identity
  46. Prove
  47. Confused on a problem
  48. Graphing Trig function
  49. Trig Simplification
  50. Solving system of 2 trig equations
  51. Trig identity for sqrt(2)/2?
  52. Basic trig
  53. trig
  54. [SOLVED] expression in terms of sin and cos.
  55. Solve for theta
  56. Evaluate without calculator
  57. Proving identitiees
  58. sin(A-2B)
  59. Can someone please help with these trig problems?
  60. Simplifying sin(2*arcsin(x/2))
  61. Trig word problems
  62. Prove.....yeah right :(
  63. Determine the Equation Of Sinusodial Function
  64. Some Trig problems!
  65. Solving equations of inverse functions
  66. Polar Graphing
  67. Converting to Polar co-ordinates
  68. Making a cosine function from data
  69. Another Trigo-limit
  70. Trigo-limit
  71. Confused, has to be something simple.
  72. Loading this into the quadratic formula
  73. It cant get easier than this ...
  74. [SOLVED] Embarassingly simple question
  75. inverse cos
  76. Identity Issue...
  77. Trig Resource: Transferring Angles (in Radians)
  78. How to do: Phase Shift of tan
  79. Help with cosine rule!
  80. Simplifying trig identities
  81. Angular Velocity?
  82. Trigonometry
  83. Sine Graph
  84. Easy period questions
  85. cosine rule
  86. Trig Identity - I'm so close (i think..)
  87. Trig Identity - Im so confused!
  88. Help with solving a trigonometric equation
  89. domain and range of inverse trig functions
  90. ACT Question - cos and tan
  91. Evaluate values
  92. "Find an equivelent expression for sin^4(X) in terms of function values of...
  93. Unique Proportions?
  94. Somewhat Advanced Trig Identity Problem...
  95. Keeping line insede a rectangle
  96. Collision bounce angle.
  97. Polynomial graphs
  98. Which of the following is not defined?
  99. Double and Half Angles
  100. qn done with different methods obtaining diff ans
  101. Help with Solving Trigonometric Equations
  102. Trig and geometry: the area, perimeter and size of a cyclic quadrilateral
  103. parameter
  104. What values of x satisy the inequality
  105. Help with trig algebra. I can't figure this out
  106. Three dimensional problem
  107. Odd/Even Functions in Regards to Trig
  108. Solving Tangent Equation
  109. Deriving identities
  110. suvat question help
  111. Another speed time graph problem
  112. 1-cos^2 a + tan^2 a * cos^2 a
  113. x € ] - pi/4 , pi/4 ] ^ tg x = 2k(2) - 3k
  114. SUVAT - Motion Equation
  115. quick quesiton
  116. Alright, I don't understand the jump from this point to this point...
  117. Help with evaluating sine
  118. Help with "19.6 - 60cos^2(θ)tan(θ) + 20cos^2(θ) = 0 please!?
  119. Trigonometric identities
  120. Need some help on trig identities, difference quotient, and sum-to product
  121. Expressing sin(2x)sin(x) as a sum or difference of sin/cos terms
  122. inverse trig function help,
  123. 2b^2=a^2+c^2 => 2cotB=cotA+cotC
  124. Sin help
  125. 4A(tan(a/2)+tan(b/2)+tan(c/2))<=9R^2
  126. sin 2A + sin 2B + sin 2C = 4 sin A sin B sin C
  127. trig equation
  128. Establish the trig identity
  129. period two product of sin, cos
  130. Trigonometry-maximum & minimum values
  131. Period
  132. Graphs of Sin & Cos
  133. hey one more trig question im stuck on
  134. trig compound angle formulae and proofs
  135. general solution
  136. trigo equation
  137. trigonometry (3)
  138. trigonometry (2)
  139. trigonometry (1)
  140. 1+cos 2A+cos 4A+cos 6A = 4 cos A cos 2A cos 3A
  141. Trig Bearing Problems
  142. Proving Identities
  143. Trigonometric Identities
  144. trig equation
  145. [SOLVED] Given sin A and sin B, find without using a calculator.
  146. Beginner! Please help with proving identities?
  147. Prove/show question
  148. Angle and side in a pentagon
  149. Need help solving trig. equations.
  150. using the unit circle
  151. Circular Functions Problem
  152. pathagorian identities
  153. How important is it to memorize function values of basic angles?
  154. Algebraic Dilemma
  155. Double angle identities
  156. [SOLVED] Velocities help
  157. Ball rolling on ramp
  158. trigonometry question
  159. force imposed trough a triangle
  160. Trignometry minimum & maximum values
  161. Solve for angle
  162. another trigonometric inequality
  163. Arc Length, and Area of a sector
  164. 3 Hard Trigonometry Questions
  165. Difficult Proof
  166. trigo prove
  167. trigo solving
  168. trigonometry
  169. trigonometric inequality
  170. Trig Identities - where is my error?
  171. Unit Circle Help
  172. Height of minute hands off a clock
  173. Ok Im Stumpted Tan - Cos^2
  174. Setting up problem.
  175. identity
  176. Trigonometry Help!
  177. General Solutions to Equations...
  178. Trig identities
  179. Help with equation
  180. Physics homework pretaining to Trigonometry.
  181. Prove that :-
  182. Sin x / (1-cos x)
  183. Trigonometric inequallty
  184. True Bearing Question
  185. Radians. how to solve problem.
  186. Cosine, sine subtraction problem
  187. Application of trig
  188. Triangle and Trignometry Help
  189. square sine wave
  190. Linear Speed
  191. Pathagorian identity
  192. Trigonometric Equation
  193. Trignometry
  194. Limits with trig values
  195. Find latitude
  196. Physics help w/ Trig
  197. Triganomic Ratios
  198. Stupid simple sine/cosine problem
  199. sin(6x)/sin(2x) = sin(3x) ?
  200. Given that:
  201. factorising trigo
  202. True bearing question
  203. Distance a ramp must be. please check my working
  204. proving an addition identity????
  205. Area of a figure using trigonometry?
  206. useful trig site
  207. hyperbolic assignment question
  208. Trignometric identities - Prove that the following is an identity.
  209. Some help with trig
  210. 88sin(x) + 242cos(x) = 250
  211. arcsec proplem pls
  212. [SOLVED] Trig functions, exponents of trig functions, and tring stunt variables
  213. Trig Problem
  214. Finding the period of a trigonmetic sine curve
  215. Solve for θ
  216. 3D trig
  217. Periodic behavior.
  218. Sine rule...
  219. Need help
  220. Need help with one math problem
  221. Cos (pi/7)
  222. Trignometric Identities
  223. Cos2x?`
  224. Help
  225. csc (inverse sine) wave approximation
  226. reduction of a cosΘ+/_ b sinΘ
  227. Trigonometry: Finding the value of x and drawing diagrams
  228. Trigonometric equation
  229. sums and differnces of different angles
  230. i need help with simplifying trig fractions
  231. tracking a satellite
  232. Solving right triangle
  233. North, East, South, West airplane thingy
  234. Finding height from ferris wheel to ground.
  235. Inverse Trig Functions
  236. Proving that arctg(x) + arcctg(x) = Pi/2
  237. 2D Projectile Motion
  238. Technical trig question......
  239. Furious Trigonometry =(
  240. simplify
  241. :S need help
  242. trigonometric equation
  243. Sine Graphs
  244. Semi-Advanced Cos Question
  245. Trigonometry
  246. Angle of Elevation
  247. easy trig question
  248. sin or cos
  249. trig.
  250. Another Simple Trig Problem