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ALLEN-TRIGONOMETRIC RATIOS AND IDENTITIES-All Questions
- 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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- 2\ s in1^0 15 ' is equal to- a.\ sqrt(2-sqrt(2+sqrt(2))) b. \ sqrt(2-s...
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- If tan^(3)theta+cot^(3)theta=52, then the value of tan^(2)theta+cot^(...
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- Given both thetaa n dvarphi are acute angles and sinalphabetagamma=1/2...
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- The maximum value of (log)(20)(3sin x-4cos x+15)- a.\ 1 b. 2 c. 3 d. ...
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- If x^(2)+y^(2)=9 and 4a^(2)+9b^(2)=16, then maximum value of 4a^(2)x^...
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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 nx)/(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, f...
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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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- If cos(A-B)=3/5 and tan A tan B=2, then (a) cos Acos B=1/5 (b) sin A ...
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- Factors of cos4theta-cos4varphi are- a.(costheta+cosvarphi) b. \ (cos...
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- For the equation sin3theta+cos3theta=1-sin2theta (A) tantheta = 1 is...
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- If 2tan10^0+t a n 50^0=2x ,\ "tan"20^0+"tan"5060=2"y","\ "2"tan"10^0+"...
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- If (3-4sin^2 1)(3-4sin^2 3)(3-4sin^2 3^2)(3-4s in 62\ (3^(n-1)))=s in ...
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- "cosec" 10^(@) - sqrt(3) " sec" 10^(@) =
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- Evaluate 4\ cos\ 20^0\ -sqrt(3)\ cot\ 20^0\ =
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