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ALLEN-TRIGONOMETRIC RATIOS AND IDENTITIES-All Questions
- Which of the following number (s) is/are rational ? a.sin 15^0 b....
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- If alpha+beta+gamma=2pi,\ then- a.tanalpha/2+(tan\ beta)/2+tangamma...
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- If A and C are two angles such that A+C=(3pi)/4 then (1+cotA)(1+cotC)=
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- (log)(t1)(4sin9^0cos9^0)w h e r e\ t1=4sin 63^0cos 63^0\ e q u a l s ...
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- l=((cot^2x.cos^2x)/(cot^2x-cos^2x))^2 and m=a^(log(sqrt(a))[2cos(y/2)]...
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- If (a+b)tan(theta-varphi)=(a-b)tan(theta+varphi),\ t h e n(sin(2theta)...
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- If theta is the internal angle of n sided regular polygon, then sinthe...
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- Let m=t a n3\ a n d\ n=s e c6,\ then which of the following statement...
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- "I f"pi<2theta<(3pi)/2,"t h e n"sqrt(2+sqrt(2+2cos4theta))
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- (sin^3theta-cos^3theta)/(sintheta-costheta)-(costheta)/(sqrt(1+cot^2th...
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- If sce A=17/8 and cosec B=5/4, then sec(A+B) can have the value equal ...
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- Which os the following when simplified reduces to unity ? (1-2sin^2alp...
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- It is known that sinbeta=4/5 and 0 < beta < pi then the value of (sqrt...
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- In a triangle ABC, angle A is greater than angle B. If the measures of...
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- If (sin3theta)/(sintheta)=(11)/(25)\ t h e ntan(theta/2) can have the...
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- 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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