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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
- Prove that: sum(k=1)^(100)sin(k x)cos(101-k)x=50"sin"(101 x)
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- The expression 3{sin^4((3pi/2)-alpha)+sin^4(3pi-alpha)} -2{sin^6(pi/2+...
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- Solve sqrt(3)costheta-3sintheta=4sin2thetacos3thetadot
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- Consider a triangle A B C and let a , ba n dc denote the lengths of th...
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- If alpha,beta,gamma, in (0,pi/2) , then prove that (sin(alpha+beta+gam...
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- Find the number of integral value of n so that sinx(sinx+cosx)=n has a...
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- In triangle ABC,angleC=(2pi)/3 and CD is the internal angle bisector ...
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- Let P = [theta : sintheta – costheta = sqrt2 costheta) andQ= {theta : ...
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- C(10,2) = C(n,2).Find n.
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- Find the smallest positive values of xa n dy satisfying x-y=pi/4a n dc...
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- Let C be incircle of A B Cdot If the tangents of lengths t1,t2 and t3...
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- if cos(x-y)cosx and cos(x+y) are in H.P then evaluate abs (cos x.secy/...
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- For what value of k the equation sinx+cos(k+x)+cos(k-x)=2 has real sol...
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- tan^6(pi/9)-33tan^4(pi/9)+27tan^2(pi/9) is equal to
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- If x, y in [0,2pi] then find the total number of order pair (x,y) sati...
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- For +ve integer n, letfn(theta)=tan(theta/2)(1+sectheta)(1+sec2theta)(...
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- If area of a triangle is 2 sq. units, then find the value of the pr...
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- Find the values of x in (-pi,pi) which satisfy the equation 8^(1+|cosx...
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- Given that a , b , c , are the side of a A B C which is right angle...
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- In equilateral triangle ABC with interior point D, if the perpendicula...
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