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TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS -COMPETITIVE THINKING
- If sintheta=(2t)/(1+t^2) and theta lies in 2nd quadrant ,then costheta...
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- If (3pi)/4 < alpha < pi , then sqrt(cosec ^2alpha+2cotalpha) is equal ...
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- If cosectheta-cottheta=2017 , then quadrant in which theta lies is
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- If cosec theta - cot theta = 1/2, 0 lt theta lt pi/2, then cos theta...
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- If cosec A + cot A =11/2 , then tan A equal to
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- If sec theta + tan theta =p, then tan theta is equal to
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- If t a ntheta+s e ctheta, then costheta equals (e^x+e^(-x))/2 (b) 2/(...
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- If sin theta + cos theta =1 then sin theta cos theta =
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- If 3 sin A+5 cos A =5, then the value of (3 cos A-5 sin A )^(2) is
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- If sectheta=m, tantheta = n, then 1/m{(m+n)+1/(m+n)}
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- If sintheta +cos theta =m and sec theta + cosec theta =n then n(m+1)(m...
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- If 2y cos theta =x sin theta and 2x sec theta -y cosec theta =3, then ...
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- If tan theta + sin theta = 1, " then" cos^(2) theta = n " then" m^(2)...
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- If (secalpha+tanalpha)(secbeta+tanbeta)(secgamma+tangamma)=tanalphatan...
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- If Pn = cos^n theta+ sin^n theta then 2P6-3P4 + 1 =
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- Prove: (secA+tanA-1)(secA-tanA+1)=2tanA
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- 17.cos^4theta- sin^4theta is equal to (a) 1 -2 sin^2(theta/2) (b)2c...
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- Prove each of the following identities : (i) sin^(6) theta + cos^(6...
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- Find the value of 6(sin^6theta+cos^6theta)-9(sin^4theta+cos^4theta)+...
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- If sinx+sin^2x=1, then find the value of cos^(12)x +3cos^(10)x + 3 cos...
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