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Which of the following is a rational num...

Which of the following is a rational number ?

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
A, B, C
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AAKASH SERIES-INVERSET TRIGONOMETRIC FUNCTIONS-PRACTICE SHEET (EXERCISE-II LEVEL-II (ADVANCED) MORE THAN ONE CORRECT ASWER TYPE QUESTIONS)
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