English, asked by abhiabhi47626, 9 months ago

Find the principal value of cos-1(-1/2)

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Answered by mahababu29

0

Answer:

THE IMAGE IS YOUR ANSWER MATE

Explanation:

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Answered by singhaniket637

0

Explanation:

cos-1(cos-30)

cos-cos+30

30 degree

I think it will help you

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