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Evaluate each of the following trigonome...

Evaluate each of the following trigonometric functions:
(a) `cos.(4pi)/3" (b) "tan(-210^@)" (c ) " cosec.(11pi)/4`

Text Solution

Verified by Experts

The correct Answer is:
(a) `-1/2" (b) "-1/sqrt3" (c ) "sqrt2`

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