(1 point) Solve the given equation for x. 10g\") x + 10g10(x + 15) = 2 If there is more than one answer write them separated by commas. x: \f(2 points) Complete the identity using the triangle method (a) cos(tan"(x))= t/sqn(1+x}\\2) r i (The inverse functions are obtained by restricting tan to the domain n:/2