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The value of 16 sin 144^@ sin 108^@ sin ...

The value of 16 sin `144^@ sin 108^@ sin 72^@ sin 36^@` is equal to

A

5

B

4

C

3

D

1

Text Solution

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The correct Answer is:
A
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ML KHANNA-TRIGONOMETRY RATIOS AND IDENTITIES-PROBLEM SET (4) ( MULTIPLE CHOICE QUESTIONS)
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  12. Let cos(alpha+beta)=(4)/(5) and let sin(alpha-beta)=(5)/(13), where 0 ...

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