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PATHFINDER-TRIGONOMETRIC RATIOS AND IDENTITIES-QUESTION BANK
- The value of e^(log10tan1^@+log10tan2^@+log10tan3^@+...+log10tan89^@ i...
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- cos((2pi)/7)+cos((4pi)/7)+cos((6pi)/7)
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- The values of a for which the equation sqrtasinx-2cosx=sqrt2+sqrt(2-a...
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- If un=cos^ntheta+sin^ntheta then 2u6-ku4+1=0 then the numerical quanti...
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- In a Delta ABC
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- If the circumcentre of DeltaABC lies on incircle then cosA+cosB+cosC=s...
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- For all theta in [0,pi/2] show that cos(sintheta)gtsin(costheta)
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- Show that the value of the function (sinxcos3x)/(cosxsin3x), where eve...
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- if alpha+beta+gamma=2pi prove that cos^2alpha+cos^2beta+cos^2gamma-2co...
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- If cosalpha+cosbeta=1/3 and sinalpha+sinbeta=1/4 prove that cos(alpha-...
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- Find the value of t, where t in [-pi/2,pi/2] so that 2sint=(5x^2-2x+1...
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- If exp{(sin^2 x+sin^4 x+sin^6 x+...)In2} satisfies the quadratic equat...
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- If A+B+C=180^@ prove that: sin(B+2C)+sin(C+2A)+sin(A+2B)= 4 sin((B-C)/...
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- Prove that (1+sec2theta)(1+sec2^2theta)(1+sec2^3theta)…..(1+sec2^nthet...
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- If cot(2x/3)+tan(x/3)=cosec(kx)/3 then the value of k is
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- যদি thetain(frac[pi][2],frac[3pi][2]) হয়, তবে sqrt(4cos^4theta+sin^2(2...
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- Which one of the following statements is correct ?
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- For x belongs to (o,pi) the equation sinx+2sin2x-sin3x=3 has
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- Let fk(x)=1/k(sin^k x+cos^k x) Then f4(x)-f6(x) =
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- The value of tan(pi/3)+2tan((2pi)/3)+4cot((4pi)/3)+8tan((8pi)/3) is
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