CostaLose Colotce a tanu – InterviewSolution

1.

CostaLose Colotce a tanu

Answer»

To prove: =cos theta

LHS:

cosec theta/(cot theta+tan there)=(cosec theta/{(cos theta/sin theta)(sin theta/cos theta)}

=cosec theta/{(cos²theta+sin ²theta)/(cos theta sin theta)

=cosec theta/(1/cos theta sin theta)

=(1/sin theta)(cos theta sin theta)

=cos theta

=RHS

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