Question

urgent question answer in 10 minute

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Answer 1

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Answer 2

Answer:

Using some trigonometric identities given result can be proved as shown in attachment .

ldentities used :-)

$sin^2 A=1-cos^2 A \\ \\ \frac{sinA}{cosA}=tanA$

Above two identities are used in the solution which is given in the attachment .

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Procedure:-)

Firstly we will take sin and Cos as common from numerator denominator respectively .

After that by solving numerator and denominator separately one part of each will cancel out each other

And it will leave the right hand side .