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The number of all possible 5-tuples (a(1...

The number of all possible 5-tuples `(a_(1),a_(2),a_(3),a_(4),a_(5))` such that ` a_(1)+a_(2) sin x+a_(3) cos x + a_(4) sin 2x +a_(5) cos 2 x =0` hold for all x is

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FIITJEE-TRIGONOMETIC EQUATIONS -SOLVED PROBLEMS
  1. Find the number of integral points which lie on or inside the circle x...

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  2. If [sin^-1 (cos^-1(sin^-1 (tan^-1 x)))]=1, where [*] denotes the gre...

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  3. The number of all possible 5-tuples (a(1),a(2),a(3),a(4),a(5)) such th...

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  4. The values of x between 0 and 2pi which satisfy the equation sinxsqrt(...

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  5. If alpha and beta be the two different roots of equation a cos theta +...

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  6. If -1lt x lt 0 then tan^(-1) x equals

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  7. If x=sin(2tan^(- 1)2), y=sin(1/2tan^(- 1)(4/3)) , then -

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  8. If sin^(-1) x gt cos^(-1) x then

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  9. Which of the following angles is greater ? theta(1) = sin^(-1).(4)/(...

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  10. Find the number of integral values of k for which the equation 7 cos x...

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  11. Find the values of x in (-pi,pi) which satisfy the equation 8^(1+|cosx...

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  12. The equation sin x =[1+sinx] + [1 - cosx] has (where [x] is the greate...

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  13. if (1- tan x)/(1+tan x) = tan y and x -y = pi/6, then x,y are respect...

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  14. Number of possible solution for the equation sin^(-1) x + cos^(-1)y=(1...

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  15. sin^(-1)(cos((5pi)/4)) is equal to

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  16. The value of x for which 2 sin^(-1)x =sin^(-1)(2xsqrt(1-x^(2))) is

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  17. The minimum value of 27^(cos 2x)+81^(sin 2x) is

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  18. Number of roots of the equation cos^(7) x + sin^(4) x =1 in the inte...

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  19. Statement -1 the solution of the equation (sin x)/(cos x + cos 2x)=0...

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  20. The value of "tan"(sin^(-1)("cos"(sin^(-1)x)))"tan"(cos^(-1)(sin(cos^(...

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