Question

The value of cos1 (4x3 - 3x)​

Answer 1

Answer:

As

cos

−1

(4x

3

−3x)=3cos

−1

x−2π−1<x<−

2

1

Gives a=−2π and b=3

Therefore,

a+bπ=−2π+3π=π

Step-by-step explanation:

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