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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
- Let ABC be an acute angled triangle whose orthocentre is at H. If a...
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- If f(x)=sin^6x+cos^6x , then range of f(x) is
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- Which of the following number(s) is/are rational?
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- The number of solutions of sum(r=1)^5cosrx=5 in the interval [0,2pi] i...
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- The minimum value of atan^2x+bcot^2x equals the maximum value of asin^...
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- If a, b and c are in G.P. then prove that <math xmlns="http://www.w3...
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- Which of the following statements are always correct (where Q denotes ...
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- The greatest value of sin^4theta+cos^4thetai s
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- In A B C , the bisector of the angle A meets the side BC at D andthe ...
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- Let theta in [0,4pi] satisfy the equation (sintheta+2)(sintheta+3)(sin...
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- Prove that: (sin(B-C))/(cosBcosC)+(sin(C-A))/(cosCcosA)+(sin(A-B))/(co...
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- Given a right triangle with /A =90^@. Let M be the mid-point of BC. If...
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- If f(x)=cos^2theta+sec^2theta, then
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- If sinalphasinbeta-cosalphacosbeta+1=0, then prove that 1+cotalphatanb...
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- The number of values of x in the interval [0,5pi] satisfying the equat...
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- The maximum value of the expression |sqrt(sin^2x+2a^2)-sqrt(2a^2-1-...
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- In A B C , the three bisectors of the angle A, B and C are extended t...
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- Let A , B , C be the three angles such that A+B+C=pi . If tanAtanB=2, ...
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- The set of values of lambda in R such that sin^2theta+costheta=lambda...
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- If in Delta ABC, the distance of the vertices from the orthocenter are...
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