SOLUTION: Prove the following trig identities:
a) tan 2x- 2tan 2x sin^2x= sin 2 x
b) sec^2x-2sec x cos x + cos^2x= tan^2x- sin^2 x
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Question 1183668: Prove the following trig identities:
a) tan 2x- 2tan 2x sin^2x= sin 2 x
b) sec^2x-2sec x cos x + cos^2x= tan^2x- sin^2 x
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
Prove the following trig identities:
a)
manipulate left side
........factor
=...........useand
=
= .........simplify
=
b)
manipulate left side
..........
=............
=
=
=
=
=............
=
=
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