cos 6x x sin COS Solutioncossin16x Let sin16xt sin t6x oppos

Solution

cos(sin^-1(6/x))

Let sin^-1(6/x)=t

sin t=6/x

opposite=6 and hypotenuse=x

adjacent=sqrt(x²-36)

cos t=adjacent/hypotenuse=sqrt(x²-36)/x

Therefore cos(sin^-1(6/x))= sqrt(x²-36)/x