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RD SHARMA ENGLISH-TRIGONOMETRIC IDENTITIES-All Questions
- 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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- Prove the following identities: (sintheta)/(1-costheta)+(tantheta)/(1...
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- Solve: (1 + tantheta + sectheta)(1+ cottheta - cosectheta)
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- Prove the following identities: 1/(cos e cA-cotA)-1/(sinA)=1/(sinA)-1/...
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- Prove the following trigonometric identities: (sintheta)/(1-costheta)=...
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- Prove the following trigonometric identities: sqrt((1-sintheta)/(1+sin...
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- Prove the following identities: (1-sintheta)/(1+sintheta)= (sectheta...
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- If cos e ctheta-sintheta=l and sectheta-costheta=m , prove that l^2m^2...
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- If tanA=ntanB and sinA=msinB, prove that cos^2A=[m^2-1]/[n^2-1]
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- If x=asintheta and y=btantheta, then prove that (a^2)/(x^2)-(b^2)/(y^2...
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- If (cosalpha)/(cosbeta)=m and (cosalpha)/(sinbeta)=n show that (m^2+n^...
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- Prove the following identities: cos^4A-cos^2A=sin^4A-sin^2A
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- Prove the following identities: (sin^2A)/(cos^2A)+(cos^2A)/(sin^2A)=1/...
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