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Prove the following: (cos(90^0-theta)sec...

Prove the following: `(cos(90^0-theta)sec(90^0-theta)t a ntheta)/(cosec(90^0-theta)sin(90^0-theta)cot(90^0-theta))+(tan(90^0-theta))/(cottheta)=2`

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The value of (cos(90^0-theta)sec(90^0-theta)tantheta)/(cos e c(90^0-theta)sin(90^0-theta)cot(90^0-theta))+(tan(90^0-theta))/(cottheta)"i s" 1 (b) -1 (c) 2 (d) -2

Prove that (cos(90^0+theta)sec(-theta)"tan"(180^0-theta))/(sec(360^0-theta)sin(180^0+theta)cot(90^0-theta))=-1

Prove that (cos(90^0+theta)sec(-theta)"tan"(180^0-theta))/(sec(360^0-theta)sin(180^0+theta)cot(90^0-theta))=-1

Prove that ("cos"(90^0+theta)"sec"(-theta)"tan"(180^0-theta))/("sec"(360^0-theta)"sin"(180^0+theta)"cot"(90^0-theta))=-1.

Prove that: (t a n(90^0-theta)s e c(180^0-theta)sin(-theta))/(sin(180^0+theta)cot(360^0-theta)cosec(90^0-theta))=1

If xsin(90^@-theta)cot(90^@-theta)=cos(90^@-theta) , then x=

Prove that : (sinthetacos(90^0-theta)costheta)/(sin(90^0-theta))+(costhetasin(90^0-theta)sintheta)/(cos(90^0-theta))=1

Prove the following: sinthetasin(90^0-theta)-costhetacos(90^0-theta)=0

Prove the following: sinthetasin(90^0-theta)-costhetacos(90^0-theta)=0

Prove that sinthetacos(90^(@)-theta)=sin^(2)theta

RD SHARMA ENGLISH-TRIGONOMETRIC RATIOS-All Questions
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  2. Evaluate : ((3cos55^0) / (7sin35^0))-(4/7)(cos70^0cos e c20^0)/(tan5^0...

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  3. Prove the following: (cos(90^0-theta)sec(90^0-theta)t a ntheta)/(cosec...

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  4. Prove the following: (tan(90^0-A)cotA)/(cos e c^2A)-cos^2A=0

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  5. Prove the following: sinthetasin(90^0-theta)-costhetacos(90^0-theta)=...

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  6. In a /\A B C , right angled at B , if A B=4 and B C=3 , find all t...

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  7. In a /\A B C , right angled at B , if A B=12 and B C=5 , find: (i) ...

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  8. If sinA=3/5 , find cosA and tanA .

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  9. If costheta=8/(17) , find the other five trigonometric ratios.

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  10. In a right triangle A B C right angled at B, if sinA=3/5 , find a...

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  11. If sinA=1/3, evaluate cosA\ cosec\ A+tanAsecA.

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  12. In a right triangle A B C , right angled at C , if tanA=1 , then...

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  13. If secalpha=5/4, evaluate (1-tanalpha)/(1+tanalpha).

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  14. If sintheta=1/2, show that (3costheta - 4cos^3theta)=0

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  15. If tanA=2 , evaluate secAsinA+tan^2A-cos e c\ A .

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  16. Given /\ A C B right angled at C in which A B=29\ u n i t s , B C=21...

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  17. If cotB=(12)/5 , prove that tan^2B-sin^2B=sin^4Bsec^2B .

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  18. If secalpha=5/4 , verify that (tanalpha)/(1+tan^2alpha)=(sinalpha)/...

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  19. If sintheta=4/5 , find the value of (4tantheta-5costheta)/(sectheta...

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

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