Math, asked by Agarwalsarthak1808, 1 year ago

find the value of -sin (660)

Answers

Answered by ravigsr

7

The value of -sin[660] is -root3/2

Agarwalsarthak1808: How

ravigsr: -sin[360+300]

ravigsr: then -sin300;-sin[270+30];-cos30=-root3/2

Agarwalsarthak1808: -sin(300)=?,

Agarwalsarthak1808: Thanks

Answered by Anonymous

1

-root 3 ---------- 2

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