Simplify each term.Tap for more steps…Multiply by .Rewrite in terms of sines and cosines.Apply the product rule to .Convert from to . Simplify cos(x)*1+tan(x)^2 Do you need help with math? Try our mobile app Our app allows students to get instant step-by-step solutions to all kinds of math troubles. Try it for Free! Our MATH EXPERTS JackHudson Charlie Trom Lucy Evel