value of cosec (210)
Answers
Answered by
3
cosec(2×90+30)
=-cosec30
=-2 ans.
hope it help u....
Answered by
5
Answer:
cosec (210) = -2
Explanation:
= cosec (210)
= cosec ( 270-60 ) { cosec ( 270-x) = -sec x }
= - sec ( 60 )
= ( -2 )
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