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From Fig. , write the values of: (i) sin...

From Fig. , write the values of: (i) `sinA` (ii) `cotA`

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RD SHARMA-TRIGONOMETRIC RATIOS-All Questions
  1. If sintheta=4/5 , find the value of (4tantheta-5costheta)/(sectheta...

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  2. In a right triangle A B C right angled at B , /A C B=theta , A B...

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  3. From Fig. , write the values of: (i) sinA (ii) cotA

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  4. From Fig., write the values of: (i) tanB (ii) sin^2B+cos^2B

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  5. In /\O P Q right angled at P ,\ O P=7c m , O Q-P Q=1c m . Determine...

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  6. In DeltaP Q R ,right angled at Q, P R+Q R=25cm and P Q=5c m. Determine...

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  7. In a /\A B C , right angled at C and /A=/B , is cosA=cosB ?

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  8. In a /\A B C , right angled at C and /A=/B , is tanA=tanB ?

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  9. In /\A B C , right angled at B , if tanA=1/(sqrt(3)) , find the v...

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  10. Given that 16cotA=12 ; find the value of (sinA+cosA)/(sinA-cosA) .

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  11. If 5tanalpha=4 , show that (5sinalpha-3cosalpha)/(5sinalpha+2cosalp...

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  12. If tantheta=(12)/(13) , evaluate (2sinthetacostheta)/(cos^2theta-sin^2...

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  13. If /B and /Q are acute angles such that sinB=sinQ , then prove t...

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  14. If sinA=2/3 , find other trigonometric ratios.

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  15. If cosA=4/5 , find other trigonometric ratios.

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  16. If tantheta=11 , find other trigonometric ratios

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  17. If sintheta=(11)/(15) , find other trigonometric ratios

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  18. Given tanalpha=5/(12)\ , find other trigonometric ratios

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  19. sintheta=(sqrt(3))/2 , find other trigonometric ratios

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  20. If costheta=7/(25) , find other trigonometric ratios

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