Math, asked by sumi1909, 1 year ago

evaluate : sin720 - cot (-270)

Answers

Answered by VivekAwasthi

3

sin(2×270-180) - cot-(180+90)
sin(180) - cot-(90)
sin(90+90) - cot-(0)
cos90 - 0
0-0
0 Answer

sumi1909: sin720=sin(2×270+180) you wrote (2×270-180)..

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