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ALLEN-TRIGONOMETRIC RATIOS AND IDENTITIES-All Questions
- Exact value of cos 20^0+2sin^2\ \ 55^0-sqrt(2)sin65^0\ is- a.1 b. 1/(...
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- If cos(theta+phi)=mcos(theta-phi) ,then tantheta is equal to a.((1+m)...
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- If sintheta+cosectheta=2 , then the value of sin^8theta+cosec^8theta i...
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- If the expression 4sin5alphacos3alphacos2alpha s expressed as the ...
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- find the value of the expression 3[sin^4(3pi/2-alpha)+sin^4(3pi+alph...
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- If costheta=1/2(a+1/a)\ t h e n\ cos 3theta in term of ' a^(prime)= a...
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- The product cot123^@*cot133^@*cot137^@*cot147^@, when simplified is e...
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- If A+B+C=pi\ &sin(A+C/2)=ksinC/2, t h e ntanA/2tanB/2= a.(k-1)/(k+1) ...
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- The value of the expression (1-4sin 10^0\ sin 70^0)/(2sin 10^0\ ) is-...
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- 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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