If the equation 2ksinx+7=4k-cos2x possesses a solution for `k in[a,b]` ,then (a+b) is equal to

" If the equation "2ksinx+7=4k" - cos "2x" possesses a solution for "k in[a,b]" ,then "(a+b)" is equal to "

The equation a sin x+cos2x=2a-7 possesses a solution if

If the equation a sin x+cos2x=2a-7 possesses a solution,then find the value of a .

Prot that the equation k cos x-3s in x=k+1 possess a solution if k in(-oo,4]

If the the equation a sin x + cos 2x=2a-7 possesses a solution, then find the values of a.

The equation K-sin theta+cos2 theta=2k-7 possesses a real solution if