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Which of the following is/are a rational...

Which of the following is/are a rational number ?

A

`sin(tan^(-1)3+tan^(-1)""1/3)`

B

`cos(pi/2-sin^(-1)""3/4)`

C

`log_(2)(sin(1/4sin^(-1)""sqrt(63)/8))`

D

`tan(1/2cos^(-1)""sqrt(5)/3)`

Text Solution

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The correct Answer is:
A, B, C
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AAKASH SERIES-INVERSE TRIGNOMETRIC FUNCTIONS-PRACTICE SHEET (EXERCISE-II) (LEVEL - II MORE THAN ONE CORRECT ANSWER TYPE QUESTIONS)
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