Math, asked by DJkeshav, 1 year ago

(CosecA-sinA)(SecA-CosecA)=1/tanA+cotA

Answers

Answered by jaindevansh1234
3

(cosecA-sinA)(secA-cosA)

=(1/sinA – sinA )(1/cosA – cosA)

=[(1- sin2A)/sinA][(1-cos2A)/cosA]

=[(cos2A)/sinA][(sin2A)/cosA]

=sinA*cosA

\frac{sinA cosA}{sin^2A + cos^2A}


= \frac{1}{sin^2A/sinA cosA + cos^2A/sinA cosA }


=\frac{1}{tanA + cotA }

=rhs


I hope it is clear

Thanks



jaindevansh1234: Any doubt plz comment.
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