Question

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Q . 6

If , sin²5∅ = sin5∅ ; Then find the value of ∅. ( 0° < ∅ < 90° )

With good explanation.


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Answer 1

${ \sin( 5\alpha ) }^{2} = \sin(5 \alpha )$
$sin( 5\alpha ) = \frac{ \sin( 5\alpha ) }{ \sin( 5\alpha ) } = 1$
We know 1 = sin90°
Rest you can do yourself

Answer 2

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SEE THE ATTACHMENT FOR DETAILED SOLUTION TO THE QUESTION DUDE....!!!