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`

Show that the equation e^(sinx)-e^(-sinx)-4=0 has no real solution.

Find the number of integral values of k for which the equation 7 cos x+5 sin x=2k+1 has at least one solution.

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

Find the number of solution of the equation e^(sinx)-e^(-sinx)-4=0

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]

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

The number of integer values of k for which the equation sin^(-1)x+tan^(-1)x=2k+1 has a solution is (a)1 (b) 2 (c) 3 (d) 4

Find the condition if the equation 3x^2+4a x+b=0 has at least one root in (0,1)dot

Number of integral value(s) of m for which the equation sinx-sqrt(3)cosx=(4m-6)/(4-m) has solutions, x in [0,2pi] , is ________

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