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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
- Which of the following identities, wherever defined, hold(s) good? (a...
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- Find the coordinates of the points of intersection of the curves y = c...
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- If y=(sinx+cos e cx)^2+(cosx+secx)^2 , then the minimum value of y ,A...
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- A triangle A B C is inscribed in a circle with centre at O , The lines...
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- If sin(x+20^0)=2sinxcos40^0,w h r ex in (0,pi/2), then which of the fo...
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- PQ is a vertical tower having P as the foot. A,B,C are three points ...
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- The equation (cosp-1)^x^2+(cos p)x+s in p=0 in the variable x has real...
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- If a and b are positive quantities, (a gt b) find minimum positive val...
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- The distance between two parallel lines is unity. A point P lies betwe...
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- If the equation cot^4x-2cos e c^2x+a^2=0 has at least one solution, t...
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- The smallest positive x satisfying the equation (log)(cosx)sinx+(log)(...
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- O is the circumcenter of A B Ca n dR1, R2, R3 are respectively, the r...
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- The expression (tan^4x+2tan^2x+1)cos^2x ,w h e nx=pi/(12), can be equ...
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- If roots of the equation 2x^2-4x+2sintheta-1=0 are of opposite sign, t...
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- The variable x satisfying the equation |sinxcosx|+sqrt(2+tan^2+cot^2x)...
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- In A B C ,C=60^0a n dB=45^0dot Line joining vertex A of triangle and ...
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- If A+B+C=pi, prove that tan^2(A/2)+tan^2(B/2)+tan^2(C/2)geq1.
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- A triangle has sides 6,7, and 8. The line through its incenter para...
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- P(9,2) = P(x,2).Find x.
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- If |2sintheta-cos e ctheta|geq1 and theta!=(npi)/2,n in Z , then cos2...
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