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If sin theta+cosec theta=2 then sin ^(2)...

If `sin theta+cosec theta=2` then `sin ^(2) theta+cosec^(2) theta=`

A

1

B

2

C

4

D

-1

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HIMALAYA PUBLICATION-MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE-QUESTION BANK
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  3. If sin theta+cosec theta=2 then sin ^(2) theta+cosec^(2) theta=

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  4. If cosec A+cot A=(11)/(2), then tan A is

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  9. If tan theta=(b)/(a) then a cos 2 theta+b sin 2 theta=

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  10. If a cos theta-b sin theta=c then a sin theta+b cos theta=

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  13. If sin theta+sin ^(2) theta+sin ^(3) theta=1 then cos ^(6) theta-4 cos...

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  14. (cos 9^(circ)+sin 9^(0))/(cos 9^(circ)-sin 9^(circ))=

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  16. If cos (alpha+beta)=(4)/(5), sin (alpha-beta)=(5)/(13) and 0 lt alpha ...

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  17. If tan alpha=(1)/(3) and tan (beta)=(1)/(2) then tan (alpha+beta)=

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  18. cos (alpha+beta)=(3)/(5) and sin (alpha-beta)=(3)/(5) and 0 lt alpha, ...

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  19. If cos (alpha+beta)=(4)/(5), sin (alpha-beta)=(5)/(13) and 0 lt alpha...

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  20. If A B C are the angles of a triangle then sin ^(2) A+sin ^(2) B+sin ^...

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