Math, asked by kimchi77, 7 months ago

Prove that cos^2 thita(1+tan^2 thita)=1

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Answered by anurag2147

1

Answer:

cos² ( 1 + tan² ) = LHS

cos² ( 1 + sin² / cos² )

cos² (cos² + sin² / cos² )

cos² + sin² = 1

using indentity sin² +cos² =1

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