Question

Trigonometry !!!!

Find the value of sin 135° ?​

Answer 1

${\huge {\underline {\bf {\pink {Answer::}}}}}$

= sin 135°

= sin (90+45°)

= sin 90.cos45+cos90.sin45

= $1 × \displaystyle\frac {1}{\sqrt{2}}+ 0×\displaystyle\frac {1}{\sqrt{2}}$

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

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