nathanortiz04no nathanortiz04no

12-10-2021
Mathematics

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sec^2 (pi/2 - x) * [sin^2 (x) - sin^4 (x)]

sec2 pi2 x sin2 x sin4 x class=

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Аноним Аноним

12-10-2021

Answer:

Explanation:

Identity: sec2θ=1+tan2θ

sec2(π2−x)−1=1+tan2(π2−x)−1

=tan2(π2−x)

Identity: tan(π2−θ)=cotθ

=cot2x

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