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If cos^(-1)(5/13)+cos^(-1)(3/5)=cos^(-1)...

If `cos^(-1)(5/13)+cos^(-1)(3/5)=cos^(-1)x` then x=

A

1)`3/65`

B

2)`(-36)/65`

C

3)`(-33)/65`

D

4)`-1`

Text Solution

Verified by Experts

The correct Answer is:
C
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