Math, asked by prajitf, 2 months ago

Prove cos square tita

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Answered by anasnakhuda7868

1

Answer:

as we know cosec^2 thetha-cot^2thetha=1

therefore,1+cot^2thetha=cosec^2thetha

therefore,cos^2thetha+1/cosec^2thetha=cos^2thetha+sin^2 thetha

we know sin^2thetha+cos^2 thetha=1

hence.proved

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