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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
- The value of theta in (0,2pi) for which 2sin^2theta-5sintheta+2>0 is (...
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- In A B C , if cotA+cotB+cotC=0 then find the value of cosAcos BcosC
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- Prove that tan 1^@ tan 2^@ tan 3^@........ tan 88^@tan89^@=1
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- In triangle ABC, the line joining the circumcenter and incenter is p...
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- The number of solutions of the pair of equations 2sin^2 theta - cos(2 ...
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- If A=sin^2theta+cos^4theta then for all real values of theta
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- If ABCD is a cyclic quadrilateral then the value of cosA+cosB+cos C+co...
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- The number of distinct roots of abs((sinx, cosx, cosx),(cosx, sinx, co...
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- D , E ,a n dF are the middle points of the sides of the triangle A B C...
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- If cos(A-B)=3/5 and tan A tan B=2, then (a) cos Acos B=1/5 (b) sin A ...
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- The number of ordered pairs (α,β), where α,β∈(−π,π) satisfying cos (α−...
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- The base B C of A B C is fixed and the vertex A moves, satisfying the...
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- For 0 < varphigeqpi/2,ifx=sum(n=0)^oocos^(2n)varphi,y=sum(n=0)^oosin^...
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- In a right angled triangle, acute angle A and B satisfy tanA+tanB+tan^...
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- Solve sin^2x+cos^2y=2sec^2z for x , y ,a n dzdot
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- if 0ltalphaltbetaltgammaltpi/ 2,then prove that tanalpha lt (sinalpha+...
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- Given b=2,c=sqrt(3),/A=30^0 , then inradius of A B C is (sqrt(3)-1)/2...
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- If A,B,C are angles of a triangle, then 2sin(A/2)cosec (B/2)sin(C/2)-s...
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- Solve cos^(50)x-sin^(50)x=1
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- sqrt((1-sintheta)/(1+sintheta))=sectheta-tantheta
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