If 11x7 = 817 , the value of 'x' will be
11x7 is a mixed fraction.
⇒11x7=(11×7)+x7=77+x7
Given, (77+x)7=817 Comparing the numerators, we get 77+x=81
∴x=81−77=4
Given y = 7sin4x, what is the amplitude?
If sin A=34, then, cos A = x, and tan A = y, which of the following will be correct?