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(cos12^@-sin12^@)/(cos12^@+sin12^@)+sin1...

`(cos12^@-sin12^@)/(cos12^@+sin12^@)+sin147^@/(cos147^@)=`

A

1

B

-1

C

0

D

`sqrt3`

Text Solution

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Knowledge Check

  • sin 15^@ +cos 105^@ =

    A
    0
    B
    `2sin15^@`
    C
    `cos15^@ +sin 15^@`
    D
    `sin15^@-cos15^@`
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