cos x=-1/2,x lies in which quadrant

Asked by antarshekhawat18 | 25th May, 2022, 10:32: AM

Expert Answer:

Since, cosx = -1/2
Therefore, x = cos-1(-1/2) = 2pi/3
Thus, x lies in the third quadrant

Answered by Renu Varma | 27th May, 2022, 12:06: PM

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