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coldgirl [10]
2 years ago
7

Cos^2A+cos^2A*cot^2A=cot^2A​

Mathematics
1 answer:
strojnjashka [21]2 years ago
4 0
LHS: cos^2 A( 1+cot^2A)
=cos^2A(cosec^2A) ,1+cot^2A=cosec^2A
=cos^2A( 1/sin^2A)
=(cos^2A/ sin^2A)
=cot^2A
=RHS

Hope this can help.
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