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cos100^@.cos40^@+sin100^@.sin40^@=…….....

`cos100^@.cos40^@+sin100^@.sin40^@`=……..

A

2

B

`1/2`

C

1

D

-1

Text Solution

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The correct Answer is:
B
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VGS PUBLICATION-BRILLIANT-TRIGONOMETRY (MULTIPLE CHOICE QUESTION)-TRIGONOMETRY (MULTIPLE CHOICE QUESTION)
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