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Dominik [7]
2 years ago
15

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

Mathematics
1 answer:
Bad White [126]2 years ago
4 0

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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