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Choose the correct option cosec^2 A- c...

Choose the correct option
`cosec^2 A- cot^2B=1`is possible if
a)`AgtB` b)A=B c)`AltB` d)None

A

AgtB

B

A=B

C

AltB

D

None

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KALYANI PUBLICATION-RELATIONS BETWEEN TRIGONOMETRIC RATIOS AND RELATED IDENTITIES-EXERCISE
  1. Eliminate theta and phi sintheta +costheta =x, tantheta +cottheta=y

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  2. Eliminate theta x=a sintheta , y=a costheta

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  3. Eliminate theta and phi sintheta+costheta=a, sin^3theta+cos^3theta=b

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  4. Eliminate theta and phi sintheta+sinphi=a ,costheta+cosphi=b, theta-p...

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  5. If x=a sectheta *cosphiy=b sectheta*sinphi, z=c tantheta then prove...

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  6. Find the value of (sintheta)/(cosectheta)+(costheta)/(sectheta)-1

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  7. If theta is a positive acute angle and 2 costheta=1/2 sectheta,find th...

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  8. If theta be positive acute angle sin3 theta=cos(2theta+15),find the va...

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  9. If sec theta- tan theta=1/2,find the value of sec theta+ tan theta

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  10. If sin theta-cos theta=0,find the value of sec theta+ cosec theta

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  11. Fill in the gap 4sec^2(49)-4 tan^2(49)is equal to ........

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  14. Fill in the gap If sin theta=x then sec theta in terms of x is.....

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