How do you answer these two questions?
1 answer:
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Yo sup??
the angle is in 3rd quadrant.
we can say that
sin(90+150)
=sin(180+60)
=-sin(60)
=-3^(1/2)/2
Hence the correct answer is option A
Hope this helps
Yo sup??
the angle is in 3rd quadrant.
we can say that
sin(90+150)
=sin(180+60)
=-sin(60)
=-3^(1/2)/2
Hence the correct answer is option A
Hope this helps