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Playing Now - Prove the trigonometric identities: If Tn=sin^ntheta+cos^ntheta, prove...
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Play - Prove the trigonometric identities: (1+cotA+t a n A)(sin A-cos A)=(s ...
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Play - If x=asectheta+btantheta and y=atantheta+bsectheta ,prove that : x^2...
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Play - If x/a costheta+y/b sintheta=1 and x/a sintheta-y/bcostheta=1 Prove...
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Play - If cos e ctheta-sintheta=a^3,sectheta-costheta=b^3, Prove that : a^2b...
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Play - If acos^2theta+3acosthetas in^2theta=ma n das in^3theta+3acos^2thetas ...
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Play - If 3sintheta+5costheta=5, then show that 5sintheta-3costheta=+-3.
02:41
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Play - If acostheta+bsintheta=m and asintheta-bcostheta=n , Prove that a^2...
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Play - If costheta+cos^2theta=1, Prove that: sin^(12)theta+3sin^(10)theta+3si...
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Play - If cottheta=15/8, then Evaluate ((2+2sintheta)(1-sintheta))/((1+costhe...
02:55
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Play - Prove the trigonometric identities: (tantheta)/(1-cottheta)+(cottheta)...
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Play - If sintheta+costheta=x , Prove that : sin^6theta+cos^6theta=(4-3(x^2-1...
08:20
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Play - Prove the following identities: ((1+sintheta)^2+(1-sintheta)^2)/(co...
01:40
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Play - Prove that (1-sintheta+costheta)^2=2(1+costheta)(1-sintheta)
03:58
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Play - Prove the following identities: (sinA+secA)^2+(cos"A"+"c o s e cA")^2=...
10:20
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Play - Prove the following identities: (1+tanAtanB)^2+(tan"A"-tan"B")^2=sec^2...
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Play - Prove the following identities: 2(sin^6theta+cos^6theta)-3(sin^4theta+...
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Play - Prove the following identities: tan^2A-tan^2B=(cos^2B-cos^2A)/(cos^2Bc...
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Play - If costheta+sintheta=sqrt(2)costheta, show that costheta-sintheta=sqrt...
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