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RD SHARMA ENGLISH-TRIGONOMETRIC IDENTITIES-All Questions
- If costheta+sintheta=sqrt(2)costheta, show that costheta-sintheta=sqrt...
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- If tantheta+sintheta=m and tantheta-sintheta=n , show that m^2-n^2= 4...
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- if (secA+tanA)(secB+tanB)(secC+tanC)=(secA-tanA)(secB-tanB) (secC-t...
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- Prove the following identities: (cosA)/(1-sinA)+(sinA)/(1-cosA)+1 = (...
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- If tan^2theta=1-a^2, prove thats e ctheta+tan^3thetacos e ctheta=(2-a^...
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- If a sectheta+bt a ntheta+c=0 and psectheta+qtantheta+r=0, prove that...
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- If sectheta+tantheta=p , show that (p^2-1)/(p^2+1)=sintheta
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- If sintheta+costheta=pa n dsectheta+cos e ctheta=q , show that q(p^2-1...
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- Without using trigonometric tables, evaluate each of the following: (...
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- Without using trigonometric tables, evaluate each of the following: (s...
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- Prove the trigonometric identities: (1-sintheta)/(1+sintheta)=(secthe...
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- Prove the trigonometric identities: sqrt((1-costheta)/(1+costheta))=co...
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- If sectheta=x+1/(4x) ,prove that :sectheta+tantheta=2xor ,1/(2x)
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- Prove that : (sinthetacos(90^0-theta)costheta)/(sin(90^0-theta))+(cost...
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- If sectheta+tantheta=x , obtain the values of sectheta,t a ntheta and...
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- If sintheta+sin^2theta=1,find the value of cos^(12)theta+3cos^(10)t...
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- If sintheta+sin^2theta+sin^3theta=1, then prove that cos^6theta-4cos^4...
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- If cottheta+tantheta=xa n dsectheta-costheta=y , prove that (x^2y)^(2/...
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- If acostheta-bsintheta=c, then prove that: asintheta+bcostheta=+-sqr...
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- Prove the following identities: (sintheta+cos e ctheta)^2+(costheta+s...
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