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The most general value for which tanthet...

The most general value for which `tantheta=-1costheta=1/(sqrt(2))i s(n in Z)` n`pi+(7pi)/4` (b) `npi+(-1)^n(7pi)/4` `2npi+(7pi)/4` (d) none of these

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The most general value for which tantheta=-1 and costheta=1/(sqrt(2)) is ( n in Z) (A) npi+(7pi)/4 (B) npi+(-1)^n(7pi)/4 (C) 2npi+(7pi)/4 (D) none of these

A general solution of tan^2theta+cos2theta=1 is (n in Z) npi=pi/4 (b) 2npi+pi/4 npi+pi/4 (d) npi

The general values of theta satisfying the equation 2sin^2theta-3sintheta-2=0 is (n in Z)dot npi+(-1)^npi/6 (b) npi+(-1)^npi/2 npi+(-1)^n(5pi)/6 (d) npi+(-1)^n(7pi)/6

Solution of the equation sin(sqrt(1+sin2theta))=sintheta+costhetai s(n in Z) npi-pi/4 (b) npi+pi/(12) (c) npi+pi/6 (d) none of these

sin^-1 (sin ((7pi)/6))= (A) (7pi)/6 (B) pi/6 (C) -pi/6 (D) none of these

If 3tan(theta-15^0)=tan(theta+15^0), then theta is equal to n in Z) n pi+pi/4 (b) npi+pi/8 npi+pi/3 (d) none of these

The general value of theta satisfying cot theta=-sqrt(3) and cos theta = sqrt(3)/2 is (A) npi+pi/3 (B) npi- pi/3 (C) 2npi+pi/6 (D) 2npi- pi/6

If sintheta= - 1/2 and tan theta = 1/sqrt(3) then the most general values of theta equal to (A) 2npi+pi/6 (B) 2npi=(5pi)/6 (C) 2npi+(7pi)/6 (D) none of these

If (cos e c^2theta-4)x^2+(cottheta+sqrt(3))x+cos^2(3pi)/2=0 holds true for all real x , then the most general values of theta can be given by n in Z) 2npi+(11pi)/6 (b) 2npi+(5pi)/6 2npi+-(7pi)/6 (d) npi+-(11pi)/6

If (cos e c^2theta-4)x^2+(cottheta+sqrt(3))x+cos^2(3pi)/2=0 holds true for all real x , then the most general values of theta can be given by n in Z) 2npi+(11pi)/6 (b) 2npi+(5pi)/6 2npi+-(7pi)/6 (d) npi+-(11pi)/6

ALLEN-TRIGONOMETRIC EQUATION-All Questions
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  2. General solution for |sinx|=cosx is (a) 2npi+pi/4,\ n in I (b) 2npi+-...

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  3. The most general value for which tantheta=-1costheta=1/(sqrt(2))i s(n ...

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  4. If cos^2x+cos^2 2x+cos^2 3x=1 then (a) x=(2n+1)pi/4,\ n in I (b) x=(2...

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  5. If 4cos^2theta+sqrt(3)=2(sqrt(3)+1) costheta, then general value of th...

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  6. (a+2)sinalpha+(2a-1)cosalpha=(2a+1)iftanalpha"i s" 3/4 (b) 4/3 (c) ...

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  7. If theta(1), theta(2), theta(3), theta(4) are roots of the equation "s...

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  8. The number of solution(s) of the equation cos2theta=(sqrt(2)+1)(cos...

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  9. Find all values of theta lying between 0 and 2 pi , satisying the e...

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  10. The value(s) of theta , which satisfy 3-2\ costheta-4sintheta-cos2thet...

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  11. Given that A ,\ B are positive acute angles and sqrt(3)\ sin2A=sin2B...

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  12. The solution(s) of 4cos^2xsinx-2sin^2x=3sinx is/are npi; n in I (b) n...

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  13. If ((1-asinx)/(1+asinx))sqrt((1+2asinx)/(1-2asinx))=1 , is where a in ...

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  14. The general solution of the following equation : 2(sinx-cos2x)-sin2...

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  15. The value(s) of theta, which satisfy the equation : 2cos^3 3theta+4=...

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  16. If x!=(kpi)/2,\ k in I and (cosx)^( sin^2x-3sinx+2=1 , then all solut...

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  17. Using four values of theta satisfying the equation 8cos^4theta+15cos...

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  18. The solution(s) of the equation cos2x sin6x=cos3x sin5x in the int...

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  19. The equation 4sin^2x-2\ (sqrt(3)+1)sinx+sqrt(3)=0 (a) 2 solution in ...

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  20. If cos^2 2x+2cos^2x=1,\ x in (-pi,pi), then x can take the values : +-...

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