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OBJECTIVE RD SHARMA-TRIGONOMETRIC RATIOS AND IDENTITIES-Exercise
- The value of cos""(pi)/(11)+cos""(3pi)/(11)+cos""(5pi)/(11)+cos""(7pi)...
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- If n=pi/(4alpha), then tanalpha tan 2alpha tan 3 alpha........tan(2n-1...
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- the value of tan9^@-tan2 7^@-tan6 3^@+tan8 1^@ is equal to
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- For x in R, tanx+1/2tan""(1)/(2^(2))tan""(x)/(2^(2))+...+(1)/(2^(n-1...
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- If (tan3A)/(tanA)=k, then (sin3A)/(sinA)=
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- If y=(sec^(2)theta-tantheta)/(sec^(2)theta+tantheta)'then
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- If cosA=tanB, cos B=tanC, cosC=tanA, then sin A is equal to
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- If A(1)A(2)A(3)A(4)A(5) be regular pentgon inscribed in anunit circle....
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- If tanalpha is equal to the integral solution of the inequality 4x^2-1...
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- If (x)/(cos theta)=(y)/(cos(theta-(2pi)/(2)))=(2)/(cos(theta+(2pi)/(3)...
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- If cos A=3/4 then the value of sin(A/2) sin((5A)/2) is
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- The minimum value of 9tan^2theta+4cot^2theta is
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- If x(1),x(2),x(3),...,x(n) are in A.P. whose common difference is alph...
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- If asin^2x+bcos^2x=c,bsin^2y+acos^2y=d and atanx=btany then a^2/b^2=.....
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- If a (n+1)=sqrt((1)/(2)(1+a(n)))then cos((sqrt(1-a(0)^(2)))/(a(1)a(2)a...
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- If alpha,beta,gamma,delta are the smallest positive angles in ascendin...
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- The value of cosycos(pi/2-x)-cos(pi/2-y)cosx+sinycos(pi/2-x)+cosxsin(p...
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- If cosx-sinalphacotbetasinx=cosalpha,then tan""(x)/(2) is equal to
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- The expression cosec^(2)A cot^(2)A-sec^(2)A tan^(2)A-(cot^(2)A-tan^(...
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- If sin alpha -cos alpha = m, then the value of sin^6alpha+cos^6alpha i...
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