SOLUTION: Which of the following is a trigonometric identity?
a. cot θ + tan θ = 1
b. sec^2 θ + csc^2 θ = 1
c. tan^2 θ = sin^2 θ x sec^2 θ
d. cos^2 &#
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Question 1014836: Which of the following is a trigonometric identity?
a. cot θ + tan θ = 1
b. sec^2 θ + csc^2 θ = 1
c. tan^2 θ = sin^2 θ x sec^2 θ
d. cos^2 θ = sec^2 θ x tan^2 θ
Thanks
Found 2 solutions by fractalier, ikleyn:
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Since sec^2 x = 1/cos^2 x, choice C is an identity.
Answer by ikleyn(52803) (Show Source): You can put this solution on YOUR website!
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