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Question

Find the value of cos30otan60o+sin60ocos60ocosec30osec60ocosec60ocot30o

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Solution

cos300tan600+sin600cos600cosec 300sec600coses 600cot300

Putting standard trigonometric values, we get
=3/22=3+3/21/222/33
=3/2+3/442
=6+34.2=6+38
cos300tan600+sin600cos600cosec 300sec600cosec 600cot300=6+38

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