Question

if sinO =cosO ,then the value of 2O will be​

Answer 1

$sin \: theta \: = cos \: theta \:$

$\sin(45) = \cos(45) = \frac{1}{ \sqrt{2} }$

$theta \: = \: { \frac{1}{\sqrt{2} }}$

$= \: 2 \times theta$

$= 2 \times \frac{1}{ \sqrt{2} }$

$\frac{2}{ \sqrt{2} }$

$\frac{2}{ \sqrt{2} } \times \frac{ \sqrt{2} }{ \sqrt{2} }$

$\frac{2 \sqrt{2} }{2}$

$\sqrt{2}$

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