using trig identities

burner · #1 $Old$ November 1st, 2009, 04:36 PM

i need to use trig identities to transform one side of the equation into the other, here is the equation.

$\dfrac{\tan a+\cot a}{tan a} = \csc^2 a$

skeeter · #2 $Old$ November 1st, 2009, 04:39 PM

Quote:

Originally Posted by burner $View Post$

i need to use trig identities to transform one side of the equation into the other, here is the equation.

$\dfrac{\tan a+\cot a}{tan a} = \csc^2 a$

multiply numerator and denominator of the left side by $\cot{a}$