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RD SHARMA ENGLISH-TRIGONOMETRIC IDENTITIES-All Questions
- If cosA=7/(25) , find the value of tanA+cotA .
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- If sintheta=1/3 , then find the value of 2cot^2theta+2 .
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- If costheta=3/4 , then find the value of 9tan^2theta+9 .
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- If sec^2theta(1+sintheta)(1-sintheta)=k , then find the value of k ...
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- If cos e c^2theta(1+costheta)(1-costheta)=lambda , then find the va...
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- If sin^2thetacos^2theta(1+tan^2theta)(1+cot^2theta)=lambda , then find...
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- If 5x=sectheta and 5/x=tantheta , find the value of 5(x^2-1/(x^2)) ...
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- If cos e c\ theta=2x and cottheta=2/x , find the value of 2(x^2-1/(...
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- If sectheta+tantheta=x , then sectheta= (a)(x^2+1)/x (b) (x^2+1)/(2...
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- If sectheta+tantheta=x , then tantheta= (a)(x^2+1)/x (b) (x^2-1)/x ...
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- sqrt((1+sinθ)/(1−sinθ) is equal to (a)secθ+tanθ (b) secθ−t...
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- The value of sqrt((1+costheta)/(1-costheta)) is (a)cottheta-cos e c...
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- sec^4 A− sec^ 2 A is equal to
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- cos^4A-sin^4A is equal to (a)2cos^2A+1 (b) 2cos^2A-1 (c) 2sin^2A-1...
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- (sintheta)/(1+costheta) is equal to (a)(1+costheta)/(sintheta) (b) (...
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- (sintheta)/(1-cottheta)+(costheta)/(1-tantheta) is equal to (a) 0 (b) ...
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- The value of (1+cottheta-cos e c\ theta)(1+tantheta+sectheta) is (a...
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- (tantheta)/(sectheta-1)+(tantheta)/(sectheta+1) is equal to (a)2tanth...
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- (cos e c\ theta-sintheta)(sectheta-costheta)(tantheta+cottheta) is equ...
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- If x=acostheta and y=bsintheta , then b^2x^2+a^2y^2= (a)a^2b^2 (b) ...
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