kedarbudhathoki222
kedarbudhathoki222
05-09-2020
Mathematics
contestada
cos^2A+cos^2A*cot^2A=cot^2A
Respuesta :
Ck99
Ck99
05-09-2020
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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