Write the expression as the sine, cosine, or tangent of an angle. Then find the exact value of the expression. sin 10 cos 50+ cos 10 sin 50 Write the expression as the sine, cosine, or tangent of an angle. sin 10 cos 50 + cos 10 sin 50 = (Type a trigonometric expression.) Find the exact value of the expression. sin 10 cos 50 + cos 10 sin 50 = (Type an exact answer in simplified form, using radicals as needed. Rationalize the denominator if necessary.)