6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..

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6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90+30)=−sin30∘=+1/2cos(180∘−60)=−cos60∘=−1/2 cos(90+60)=−sin60∘=−8/2cos(180∘−30)=−cos30=−3/2 cos150
Video solution 1: 6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90+30)=−sin30∘=+1/2cos(180∘−60)=−cos60∘=−1/2 cos(90+60)=−sin60∘=−8/2cos(180∘−30)=−cos30=−3/2 cos150
Video solution 2: 6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90+30)=−sin30∘=+1/2cos(180∘−60)=−cos60∘=−1/2 cos(90+60)=−sin60∘=−8/2cos(180∘−30)=−cos30=−3/2 cos150

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What is the value of sin150? - Quora

6. sin150 Sin(90+60)​=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..

6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..