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tan^(-1)(1//4) + tan^(-1) (2//9) is equa...

`tan^(-1)(1//4) + tan^(-1) (2//9)` is equal to

A

`(1//2) cos^(-1)(3//5)`

B

`sin^(-1)(4//5)`

C

`(1//2)tan^(-1)(3//5)`

D

`tan^(-1)(8//9)`

Text Solution

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The correct Answer is:
A
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MCGROW HILL PUBLICATION-INVERSE TRIGONOMETRIC FUNCTIONS -SOLVED EXAMPLES (LEVEL 1 SINGLE CORRECT ANSWER TYPE QUESTIONS)
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