Maths

cos 210 degree find

 

gaurav bhandari's image
gaurav bhandari
May 16, 2019, 4:12 p.m.

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umesh jain's image
umesh jain
May 16, 2019, 11:03 p.m.
Cos(270-60)=-cos(60degree)=-1/2
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gaurav bhandari's image