The least value of `a` for which the equation `4/(sinx)+1/(1-sinx)=a` has at least one solution in the interval `(0,pi/2)` 9 (b) 4 (c) 8 (d) 1

The least value of a for which the equation (4)/(sin x)+(1)/(1-sin x)=a has at least one solution in the interval (0,(pi)/(2))(a)9(b)4(c)8 (d) 1

If 4a+2b+c=0 , then the equation 3ax^(2)+2bx+c=0 has at least one real lying in the interval

Total number of integral values of 'n' so that sinx(sinx+cosx) = n has at least one solution , is :

The number of integral values of 'k' for which the equation 3sinx + 4 cosx = k + 1 has a solution, k in R is

The interval of a for which the equation tan^(2)x-(a-4)tan x+4-2a=0 has at least one solution AA x in[0,pi/4]a in(2,3) b.a in[2,3] c.a in(1,4) d.a in[1,4]

Find the number of integral values of k for which the equation 12cosx - 5 sinx = 2k+1 has a solution.

The set of values of 'a' for which x^(2)+ax+sin^(-1) (x^(2)-4x+5)+cos^(-1) (x^(2)-4x+5)=0 has at least one solution is