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("cos"^(4)(pi)/(24)-"sin"^(4)(pi)/(24)) ...

`("cos"^(4)(pi)/(24)-"sin"^(4)(pi)/(24))` equals :

A

`(1)/(sqrt(2))`

B

`(sqrt(6)-sqrt(2))/(4)`

C

`(sqrt(6)+sqrt(2))/(4)`

D

`(sqrt(3)+1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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VK JAISWAL ENGLISH-COMPOUND ANGLES-Exercise-5 : Subjective Type Problems
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