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MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
- In Delta ABC, if sin ^(2) A+sin ^(2) B =sin ^(3)C, then the triangle i...
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- In any triangle ABC : If (cosA)/a= (cosB)/b, prove that the triangle ...
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- Prove that the area of a sector of circle with radius r and central an...
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- Prove that the area of a sector of a circle of radius r and an arc of ...
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- The greatest angle of a cyclic quadrilateral is three times the least....
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- A wire 121 cm long is bent so as to lie along the arc of a circle of 9...
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- Prove that: (tan A)/(1-cotA)+ (cotA)/(1-tan A)= 1/ (sinA cosA)+1.
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- Prove that (tan^2 theta)/(tan^2 theta-1)+(cosec^2 theta)/ (sec^2 theta...
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- Prove that: (tanA+secA-1)/(tan A -secA +1)= secA+tanA.
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- Eliminate alpha between the equations: (sin^2 alpha)/(cos alpha)=a^3...
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- Find the value of 3(sinx-cosx)^(4)+6(sinx+cos x)^(2)+4(sin^(6)x+cos^(6...
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- Given, sin x =-3/7 and x belongs to the third quadrant, obtain the va...
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- If 7 sin A = 24 cos A and 0ltAlt pi/2, find 14 tan A - 25 cos A-7 sec...
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- If sectheta= x+1/(4x) , then prove that sectheta+tantheta=2x or 1/(2x)...
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- If tan theta =p/q, show that : (p sin theta-q cos theta)/(p sin thet...
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- If sin x + sin^2 x = 1, show that : cos^4 x+ cos^2 x=1.
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- If sin x + cos x =sqrt2 cos x, show that : sqrt2 sin x =cos x- sin x.
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- If a cos theta-b sintheta=c, then find the value of a sin theta+b cos...
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- If A+B = alpha and sin A =k sin B, show that : tanA= (k sin alpha)/(...
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- Prove that sin frac (pi)(14) sin frac (3 pi)(14) sin frac (5pi)(14) si...
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