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यदि sin^(-1)(x^(2) -x^(4)/3 + x^(6)/9 …....

यदि `sin^(-1)(x^(2) -x^(4)/3 + x^(6)/9 …..) + cos^(-1)(x^(4) -x^(8)/3 +x^(12)/9……)=pi/2` है, जहाँ `0 le |x| le sqrt(3)` है, तो 'x' के मानों की संख्या है-

A

1

B

2

C

3

D

4

लिखित उत्तर

Verified by Experts

The correct Answer is:
A
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