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Number of values of x in(-2pi,2pi) sati...

Number of values of `x in(-2pi,2pi)` satisfying the equation `2^(sin^(2)x) +4. 2^(cos^(2)x) = 6` is

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ALLEN-TRIGONOMETRIC EQUATION-All Questions
  1. The solutions of the equation sinx+2sin2x+sin3x=cosx+2cos2x+cos3x in t...

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  2. If x in [-(5pi)/2,(5pi)/2], then the greatest positive solution of 1+s...

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  3. Number of values of x in(-2pi,2pi) satisfying the equation 2^(sin^(2)...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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