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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
- In A B C ,(cot (A/2)+cot(B/2))(asin^2(B/2)+bsin^2(A/2))= (a) cotC (...
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- The value of x in (0,pi/2) satisfying (sqrt(3)-1)/(sinx)+(sqrt(3)+1)...
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- Without using tables prove that (sin12^@)(sin 48^@)(sin 54^@)=1/8
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- If cos3theta=cos3alpha, then the value of sintheta can be given by +-s...
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- If the sides a , b and c of A B C are in AdotPdot, prove that 2sinA/2...
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- alpha and beta are the positive acute angles and satisfying equation 5...
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- If a=9,b=4a n dc=8 then find the distance between the middle point of ...
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- Which of the following sets can be the subset of the general solution ...
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- Given both thetaa n dphi are acute angles and sintheta=1/2,cosvarphi=1...
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- If the cotangents of half the angles of a triangle are in A.P., then ...
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- e^(|sinx|)+e^(-|sinx|)+4a=0 will have exactly four different solutions...
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- If the sides of a triangle are 17 , 25a n d28 , then find the greatest...
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- If both the distinct roots of the equation |sinx|^2+|sinx|+b=0in[0,pi]...
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- Each question has four choices a,b,c and d out of which only one is...
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- In triangle ABC, prove that sin(B+C-A)+sin(C+A-B)+sin(A+B-C) =4sin A...
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- The number of values of yin[-2pi,2pi] satisfying the equation |sin2x|+...
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- If alpha+beta =(pi/2) and beta+gamma=alpha, then the tanalpha equals:
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- prove that a^2sin2B+b^2sin2A=4Delta
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- The equation cos^8x+bcos^4x+1=0 will have a solution if b belongs to
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- Let f(n)=2cosn xAAn in N , then f(1)f(n+1)-f(n) is equal to
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