Prove the following identity: costheta(t...

Prove the following identity: `costheta(t a ntheta+2)(2t a ntheta+1)=2s e ctheta+5sintheta`

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RD SHARMA ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions

Prove the following identity: ((1+cottheta+t a ntheta)(sintheta-costhe...
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Prove the following identity: (2sinthetacostheta-costheta)/(1-sintheta...
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Prove the following identity: costheta(t a ntheta+2)(2t a ntheta+1)=2s...
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If sintheta=(a^2-b^2)/(a^2+b^2), find the value of t a ntheta,\ s e ct...
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If t a ntheta=a/b ,\ show that (a\ sintheta-b costheta)/(\ a\ sinthet...
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If cosectheta-sintheta=a^3, sectheta-costheta=b^3, then prove that a^...
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If sintheta+costheta=m , then prove that sin^6theta+cos^6theta=(4-3(m^...
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Find the values of cos theta and tan theta when sin theta =-3/5 and pi...
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If cos theta= -1/2 and pi < theta < (3pi)/2 then find the value of 4ta...
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Prove that: sqrt((1-sintheta)/(1+sintheta))= sec theta- tan theta when...
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Find the values of the other five trigonometric functions I each of th...
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Find the values of the other five trigonometric functions in each of t...
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Find the values of the other five trigonometric functions in each of ...
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Find the values of the other five trigonometric functions in each of t...
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If sintheta=(12)/(13)a n d\ theta lies in the second quadrant, find th...
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If sintheta=3/5,tanphi=1/2 and pi/2ltthetaltpi phi<(3pi)/ 2="" ,="" fi...
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If costheta=-3/5 and pilttheta<(3pi)/2 find the values of other five ...
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Find the values of the following trigonometric ratio: sin315^0
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Find the values of the following trigonometric ratio: cos210^0
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Find the values of the following trigonometric ratio: "cos"(-480^0)
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