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Domain of sqrt(cos(sin x)) and why sin inverse 2x/1+(x × x ) lies between -1 and 1

Domain of sqrt(cos(sin x)) and why sin inverse 2x/1+(x × x ) lies between -1 and 1

Grade:12th pass

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

For first part

As expression is under sqr root

Cos ( theta) must be > = 0

Ie theta lies in q1 and q4 ie -pi/2 to pi/2

Use given condition to determine range

Regards

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