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If the numerical value of tan{cos^-1(4/5...

If the numerical value of `tan{cos^-1(4/5)+tan^-1(2/3)}` is `a/b`then

A

`a+b=23`

B

`a-b=11`

C

`3b=a+1`

D

`2a=3b`

Text Solution

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The correct Answer is:
A, B, C
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