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ALLEN-TRIGONOMETRIC RATIOS AND IDENTITIES-All Questions
- The expression ((cos A-cos B)/(sin A-sin B))^m+((sin A+sin B)/(cos A-c...
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- If cos(A-B)=3/5a n d\ t a n AtanB=2, t h e n cos A\ cosB=1/5 b. cosA...
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- If A+B=pi/3a n d\ cos A+cos B=1,\ t h e n- a.cos(A-B)=1//3 b. \ |cos ...
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- If Aa n dB are acute positive angles satisfying the equations 3sin^2A...
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- If A+B-C=3pi,\ t h e n\ sin A+ sin B-sin C is equal to- a.4sin(A/...
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- If tan^2 theta+ cot^2 theta=52, then the value of tan^2 theta+ cot^2...
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- Given both thetaa n dphi are acute angles and sintheta=1/2,cosvarphi=...
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- The maximum value of (log)(20)(3s in x-4cos x+15)- a.\ 1 b. 2 c. 3 d....
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- x^2 +y^2= 9 & 4a^2 + 9b^2= 16, then maximum value of 4a^2 x^2+ 9b^2y^2...
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- If three angles A, B, C are such that cos A+ cos B + cos C = 0 and if ...
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- f(x)=(s i x)/(sqrt(1+tan^2x))+(cos x)/(sqrt(1+cot^2x)) is constant in ...
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- Q. Let n be an add integer if sin ntheta-sum(r=0)^n(br)sin^rtheta, for...
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- For a positive integer n , let fn(theta)=(tantheta//2)(1+sectheta)(1+s...
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- If sintheta+sqrt(sintheta+sqrt(sintheta+sqrt(sintheta+...+oo)))=sec^4a...
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- Comprehension 1 Let a^((log)b x)=c\ w h e r e\ a ,\ b ,\ c\ &\ x...
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- If tan\ theta/2=cosectheta-sintheta, then- a.sin^2\ theta/2=2sin^2\ 18...
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- Factors of cos4theta-cos4varphi are- a.(costheta+cosvarphi) b. \ (cost...
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- For the equation sin3theta+cos3theta=1-sin2theta (A) tantheta = 1 is...
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- cosec10^@-sqrt3 sec 10^@=
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- 4\ cos\ 20^0\ -sqrt(3)\ cot\ 20^0\ =
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