Rewrite as a positive exponent 5 – 2

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.