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)` (a)`9 `(b) ` 4` (c)` 8` (d) `1`

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) , is

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

Find the number of integral value of n so that sinx(sinx+cosx)=n has at least one solution.

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

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

If 3sinx+4cosa x=7 has at least one solution, then find the possible values of adot

If 3sinx+4cosa x=7 has at least one solution, then find the possible values of adot

The number of integral values of k for which the equation 7cos x +5 sinx=2k+1 has a solution is (1) 4 (2) 8 (3) 10 (4) 12

The number of integral values of k for which the equation 7cos x +5 sinx=2k+1 has a solution is (1) 4 (2) 8 (3) 10 (4) 12

If a , b in [0,2pi] and the equation x^2+4+3sin(a x+b)-2x=0 has at least one solution, then the value of (a+b) can be (a) (7pi)/2 (b) (5pi)/2 (c) (9pi)/2 (d) none of these