Question
8 tan square theta - 8 sec square theta
Answers
Steve
since sec^2 θ - tan^2 θ = 1, you have
-8(sec^2 θ - tan^2 θ) = -8
Better review your basic identities. The most important is, of course,
sin^2 θ + cos^2 θ = 1
divide through by cos^2 and you have
tan^2 θ + 1 = sec^2 θ
-8(sec^2 θ - tan^2 θ) = -8
Better review your basic identities. The most important is, of course,
sin^2 θ + cos^2 θ = 1
divide through by cos^2 and you have
tan^2 θ + 1 = sec^2 θ