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The value of cos 15^(@) - sin 15^(@) is:...

The value of `cos 15^(@) - sin 15^(@)` is:

A

0

B

`1/sqrt(2)`

C

`-1/sqrt(2)`

D

`1/(2sqrt(2))`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2011-MULTIPLE CHOICE QUESTIONS
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