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The value of (cos(90^0-theta)sec(90^0-t...

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

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(cos(90^(@)-theta).sec(90^(@)-theta).tantheta)/(cosec(90^(@)-theta).sin(90^(@)-theta).cot(90^(@)-theta))=?

Prove the following: (cos(90^(@)-theta)sec(90^(@)-theta)tan theta)/(cos ec(90^(@)-theta)sin(90^(@)-theta)cot(90^(@)-theta))+(tan(90^(@)-theta))/(cot theta)=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.

sin(90+theta)+cos(90-theta)+tan(180-theta)+cot(180+theta)

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

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

(tan(90^@-theta) cot theta)/(cosec^2 theta)-cos^2 theta=0

What is the value of ([tan(90-theta)+sec(90-theta)-1])/([tan(90-theta)-sec(90-theta)+1]) ?

(cos theta)/(sin(90^(@)+theta))+(sin(-theta))/(sin(180^(@)+theta))-(tan(90^(@)+theta))/(cot theta)

sin theta cos(90^(@)-theta)+cos theta sin(90^(@)-theta)

RD SHARMA-TRIGONOMETRIC RATIOS-All Questions
  1. If A + B is 90^@, then ( tan A. tan B + tan A. cot B)/ (Sin A. Sec B)...

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  2. If (xcos e c^2 30^0sec^2 45^0)/(8cos^2 45^0sin^2 60^0)=tan^2 60^0-tan^...

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  3. The value of (cos(90^0-theta)sec(90^0-theta)tantheta)/(cos e c(90^0-t...

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  4. If tan2A=cot(A-18^0), where 2A is an acute angle, find the value of A.

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

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  6. Find an acute angle theta , when (costheta-sintheta)/(costheta+sinthet...

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  7. If sin(A+B)=1 and cos(A-B)=(sqrt(3))/2, then find A and B dot

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  8. Evaluate each of the following: cot 12^0cot 38^0cot52^0cot60^0cot78^0 ...

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  9. Prove that: tan10^0tan15^0tan75^0tan80^0=1 tan1^0tan2^0tan3^0tan89^0=...

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  10. If A+B=90^0, prove that sqrt((tanAtanB+tanAcotB)/(sinAsecB)-(sin^2B)/(...

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  11. If sin5theta=cos4theta, whre 5thetaa n d4theta are acute angles, find ...

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  12. If tantheta+1/(tantheta)=2 , find the value of tan^2theta+1/(tan^2thet...

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  13. Evaluate each of the following in the simplest form: cos e c30^0+cot45...

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  14. In a right triangle B C , right angled at B , the ratio of A BtoA C is...

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  15. In Figure, A D=D B \ and \ /B is a right angle. Determine. (a)\ sin th...

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  16. Find the value of x in each of the following: (i)tan3x=sin45^0cos45^...

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  17. If theta is an acute angle and tantheta+cottheta=2, find the value o...

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  18. Prove that: (cos30^0+sin60^0)/(1+cos60^0+sin30^0)=(sqrt(3))/2

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  19. Find the value of theta in each of the following: (i)2sin2theta=sqrt...

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  20. An equilateral triangle is inscribed in a circle of radius 6 cm. Find ...

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