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Value of (1-(cos61^0)/(cos1^0))*(1-(cos6...

Value of `(1-(cos61^0)/(cos1^0))*(1-(cos62^0)/(cos2^0))*(1-(cos63^0)/(cos3^0)) .......... *(1-(cos119^0)/(cos59^0))` (a)`-1` (b) `1` (c) `2` (d) `-2`

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
  1. (x^2-1)/(x^2+x+1)<1

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  2. If A=[91,3,9,27),(3,9,27,1),(9,27,1,3),(27,1,3,9)] then det A= (A) 0 (...

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  3. Value of (1-(cos61^0)/(cos1^0))*(1-(cos62^0)/(cos2^0))*(1-(cos63^0)/(c...

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  4. int e^(sin^(-1)x)((log(e)x)/(sqrt(1-x^(2)))+(1)/(x))dx is equal to

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  5. Solve the system of equations R e(z^2)=0,\ |z|=2

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  6. If a^(2)x^(4)b^(2)y^(4)=c^(6)(a,b,x,y,cgt0) then the maximum value of ...

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  7. The range of the function f(x)=(1+sec^(-)x)(1+cos^(-1)x) is

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  8. If y= (1+(1)/(x) )^(x) + x^(1+(1)/(x)) then find (dy)/(dx)

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  9. The differential equation for the family of curves y = c sin x can be ...

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  10. The area bounded by the x-axis the curve y = f(x) and the lines x = a ...

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  11. Consider the following equation is x and y:(x-2y-1)^(2)+(4x+3y-4)^(2...

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  12. If a,b,c are distinct odd integers and omega is non real cube real of ...

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  13. If A is square matrix such that A^2=A , then (I+A)^3-7A is equal to...

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  14. Prove that: |-2a a+b a+c b+a-2bb+cc+a c+b-2c|=4(a+b)(b+c)(c+a)

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  15. The number of ways of seven digit number with distinct digits of the f...

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  16. If a, b, c ∈ R, a ≠ 0 and the quadratic equation ax^2 + bx + c = 0 ha...

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  17. If the vectors vec (a) = 2 hat (i) - hat (j) + hat (k) , vec ( b) = h...

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  18. The projection of point P( vec p) on the plane vec rdot vec n=qi s( v...

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  19. In a bag there are 4 Red, 3 Black, 2 Green Balls are drawn one by o...

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  20. If u and v are the roots of the equation x^2+2x-2=0 , then the value o...

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