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If the arcs of the same lengths m two circles subtend angles `65o`and `110o`at the centre, find the ratio of their radii.

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If the arcs of the same length in two circles subtend angels 65^0 and 110^0 at the centre, find the ration of their radii.

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AAKASH INSTITUTE ENGLISH-TRIGNOMETRIC FUNCTIONS -Section-B (Objective Type Questions One option is correct)
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  3. If the arcs of the same lengths m two circles subtend angles 65oand 1...

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  7. If alpha+beta=pi/2a n dbeta+gamma=alpha, then tanalpha equals 2(tanbet...

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  8. If f(alpha,beta)=cos^2alpha+sin^2alphacos2beta then which of the follo...

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  9. Let f(x)=cos10x+cos8x+3cos4x+3cos2x and g(x)=8cosxcos^3(3x) then for a...

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  10. Prove that sum(r=1)^n(1/(costheta+"cos"(2r+1)theta))=(sinntheta)/(2sin...

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  11. Find the square root of 5-12i

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  12. Given that sum(k=1)^35 sin5k^@ = tan(m/n)^@ , where m and n are relat...

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  13. For -pi/2 lt theta lt pi/2, (sintheta + sin 2theta)/(1+costheta + cos2...

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  14. If A + B + C = pi and sin(A +C/2)= ksin(C/2) , then tan(A/2).tan(B/2)...

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  15. If A+B+C=pi, and cosA=cosB*cosC then tanB*tanC has the value equal to

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  16. If sqrt3 sectheta+2=0 , then principal value of theta may be

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  17. The number of solutions of the equation 2 tan^2theta-7sec theta-2 = 0 ...

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  18. The general solution of the equation tanx+ tan2x + tanx.tan2x= 1 is

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  19. If angles A and B satisfy (1+tanA)(1+tanB)=2, then the value of A +B i...

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  20. The number of solution of the equation tan3x-tan2x-tan3x.tan2x = 1 in ...

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