Question
prove that
(3-4sin^2x)(sec^2x-tan^2x) = (3-tan^2x)(1-4sin^2x)
(3-4sin^2x)(sec^2x-tan^2x) = (3-tan^2x)(1-4sin^2x)
Answers
oobleck
as written, this is false.
when x = π/4, you have
1 = -2
when x = π/4, you have
1 = -2