Question #01baa
1 Answer
Jul 6, 2016
I think the question should be to prove
Explanation:
I think the question should be to prove
=
(sin x * sin x )/ (sin x cos x) + (cos x * cos x)/ (sin x * cos x) =
(sin^2 x + cos^ 2 x) /(sinx cos x) =
1/( sin x cos x)