Question

Cosec(90-theta)sin(90-theta)

Answer 1

let theta=A

cosec(90-A)=sinA

and

sin(90-A)=cosecA

now put these two in question

sinA*cosecA=1

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Answer 2

cosec(90°-♂) =sec♂

sin(90°-♂)=cos♂

=>

sec♂cos♂

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