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RD SHARMA ENGLISH-TRIGONOMETRIC IDENTITIES-All Questions
- Prove the trigonometric identities: 1/(secA+tanA)-1/(cosA)=1/(cosA)-1/...
03:55
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- Prove the trigonometric identities: If Tn=sin^ntheta+cos^ntheta, prove...
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- prove-that-1-cota-tana-sina-cosa-seca-cosec-2a-coseca-sec-2a-sinatana-...
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- If x=asectheta+btantheta and y=atantheta+bsectheta ,prove that : x^2...
04:09
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- If x/a costheta+y/b sintheta=1 and x/a sintheta-y/bcostheta=1 Prove...
05:06
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- If cos e ctheta-sintheta=a^3,sectheta-costheta=b^3, Prove that : a^2b...
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- Ifacos^3theta+3acosthetasin^2theta=m and asin^3theta+3acos^2thetasin^...
06:20
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- If 3sintheta+5costheta=5, then show that 5sintheta-3costheta=+-3.
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- If acostheta+bsintheta=m and asintheta-bcostheta=n , Prove that a^2...
03:21
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- If costheta+cos^2theta=1, Prove that: sin^(12)theta+3sin^(10)theta+3si...
04:35
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- If cottheta=15/8, then Evaluate ((2+2sintheta)(1-sintheta))/((1+costhe...
02:47
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- Prove the trigonometric identities: (tantheta)/(1-cottheta)+(cottheta)...
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- If sintheta+costheta=x , Prove that : sin^6theta+cos^6theta=(4-3(x^2-1...
03:56
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- Prove the following identities: ((1+sintheta)^2+(1-sintheta)^2)/(co...
03:03
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- Prove that (1-sintheta+costheta)^2=2(1+costheta)(1-sintheta)
02:44
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- Prove the following identities: (sinA+secA)^2+(cos"A"+"c o s e cA")^2=...
04:38
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- Prove the identity: (1+tanAtanB)^2+(tan"A"-tan"B")^2=sec^2Asec^2B
02:54
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- Prove the following identities: 2(sin^6theta+cos^6theta)-3(sin^4theta+...
06:39
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- Prove the following identities: tan^2A-tan^2B=(cos^2B-cos^2A)/(cos^2Bc...
05:16
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- If costheta+sintheta=sqrt(2)costheta, show that costheta-sintheta=sqrt...
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