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MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
- If theta and phi are acute angles, sin theta=1/2, cos phi= 1/3, then t...
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- The sides of a triangle, sin alpha, cos alpha and sqrt(1+ sin alpha co...
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- If the angle opf a triangle are in the ratio 1:2:3, then show that the...
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- If in Delta ABC, the altitudes from the vertices A, B and C on opposit...
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- if cos(alpha-beta)=1a n dcos(alpha+beta)=l/e , where alpha,betamu in [...
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- The number of solutions of the pair of equations: 2 sin^2 theta- cos 2...
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- If p and q are positive real numbers such that p^2+ q^2=1, then the m...
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- If sin^-1(x/5) + cosec^-1(5/4)= pi/2, then a value of x is
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- AB is a vertical pole with B at the ground level and A at the top. A m...
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- For 0 lt theta lt pi/2 , the solution (s) of sum(m=1)^6cos e c(theta+(...
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- If (sin^(4)x)/(2)+(cos^(4)x)/(3)=1/5, then
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- Let A and B denote the statements A : cos alpha + cos beta + cos gam...
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- For a regular polygon, let r and R be the radii of the inscribed and t...
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- If the angles A, B and C of a triangle are in an arithmetic progressio...
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- Let ABC be a triangle such that angle ABC =pi/6. If a, b and c denote ...
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- Let cos(alpha+beta)""=4/5 and let sin (alpha+beta)""=5/(13) where 0lt=...
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- If A=sin^(2)x+cos^(4)x, then for all real x
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- The possible values of theta in (0,pi) such that sin (theta)+sin(4 th...
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- Prove that 3/4 le cos^2 theta +sin^4 thetale1. Hence deduce that 3/4 l...
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- Prove that : (2 cos 2^n theta +1)/(2cos theta +1)= (2cos theta-1)(2cos...
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