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Using trigonometric identities 5 cosec ...

Using trigonometric identities `5 cosec ^(2) theta - 5 cot ^(2) theta ` expressed as an integer is

A

5

B

3

C

2

D

0

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Verified by Experts

The correct Answer is:
C
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S CHAND IIT JEE FOUNDATION-SOME APPLICATIONS OF TRIGONOMETRY-Unit Test - 6
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  5. Given x cos theta + y sin theta = 2 and x cos theta - y sin theta ...

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  6. Which of the following is /are the value (s) of the the expression ? ...

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  11. The value of sin^(2) 1^(@) + sin^(2) 2^(@) + sin^(2) 3^(@)+ . . . . +...

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  15. Using trigonometric identities 5 cosec ^(2) theta - 5 cot ^(2) theta ...

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  17. a person aims at a bird on top of a 5 metre high pole with an elevati...

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  18. Horizontal distance between two pillars of different heights is 60 m...

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  19. The angles of elevation of the top of a tower h metre tall from two di...

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