find the value of sin 420°
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Answered by
2
Sin 420=sin360+60=>:. Cos60=-1/2
May it help you, plz mark it as a brainlist
May it help you, plz mark it as a brainlist
AyushiMaske:
Thanks
the answer is wrong.
No
It comes in 4th quadrant that is why it is negative
sorry but the answer is wrong
What is real answer
0.866 or √3/2
Okk
Answered by
4
As, sin (360 + X) = sin X
therefore, sin (360 + 60)
= sin 60
= (√3÷2). = 0.866.
Hope this helps. Please mark it as brainliest.
therefore, sin (360 + 60)
= sin 60
= (√3÷2). = 0.866.
Hope this helps. Please mark it as brainliest.
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