Be sin A = L then what is the valueof cosa? – InterviewSolution

1.

Be sin A = L then what is the valueof cosa?

Answer»

if sinA=1then the value of COSA=0

sin A = 1sin A = sin 90A= 90therefore, cos A=cos90=0.

Considering the period of [0,2π], the value of sinA is 1 only at A=π/2.Hence, A=π/2cosA=cosπ/2=0.

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