sin⁡(120)=sin⁡(180−120)=sin⁡(60)=32

sin⁡(120)=cos⁡(90−120) =cos⁡(−30) As cos⁡(−x)=cos⁡(x) cos⁡(−30)=cos⁡(30)=32

sin⁡(120)=sin⁡(180−120)=sin⁡(60)=32

sin⁡(120)=cos⁡(90−120) =cos⁡(−30) As cos⁡(−x)=cos⁡(x) cos⁡(−30)=cos⁡(30)=32

We have an answer to "Find sin⁡(120)"

Carole Yarbrough

Answered question

2021-12-22

Find

\sin (120)

ambarakaq8

Beginner2021-12-23Added 31 answers

\sin (120) = \sin (180 - 120) = \sin (60) = \frac{\sqrt{3}}{2}

ol3i4c5s4hr

Beginner2021-12-24Added 48 answers

\sin (120 °) = \frac{\sqrt{3}}{2}

user_27qwe

Skilled2021-12-30Added 375 answers

$\sin (120) = \cos (90 - 120)$
$= \cos (- 30)$
As $\cos (- x) = \cos (x)$
$\cos (- 30) = \cos (30) = \frac{\sqrt{3}}{2}$

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