SOLUTION: simplify tan^2\theta \x cos^2\theta -sin^2\theta
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Question 1201684: simplify tan^2\theta \x cos^2\theta -sin^2\theta
Answer by math_tutor2020(3817) (Show Source): You can put this solution on YOUR website!
Answer: 0
Work Shown:
Therefore,
is a trig identity.
It is true for all valid theta values in the domain.
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