Question #10220

Find all the solutions of 6cos x - 3√3 = 0

Expert's answer

Find all the solutions of 6cos x - 3√3 = 0.

6cos x - 3√3 = 0 ==>

6cosx = 3√3 ==>

cosx = √3/2 ==>

cosx = π/6 (= 30°) and 11π/6 ( = 330°).

6cos x - 3√3 = 0 ==>

6cosx = 3√3 ==>

cosx = √3/2 ==>

cosx = π/6 (= 30°) and 11π/6 ( = 330°).

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