Express each of the following as the sum or difference of sines and cosines: `\ 2cos7thetacos3theta`

Express each of the following as the sum or difference of sines and cosines: \ 2cos3thetasin2theta

Express each of the following as the sum or difference of sines and cosines: \ 2sin4thetasin3theta

Express each of the following as the sum or difference of sines and cosines: \ 2sin4thetasin3theta

Express each of the following as the sum or difference of sines and cosines: 2sin3thetacostheta

Convert each of the following products into the sum or difference of sines and cosines: 2cos4thetacos3theta

Convert each of the following products into the sum or difference of sines and cosines: 2sin5theta\ costheta

Convert each of the following products into the sum or difference of sines and cosines: \ 2sin3thetasintheta

Express each of the products into sums or difference of sines and cosines : 2cos 9theta. Cos 4theta

Express each of the following as the product of sines and cosines: sin2theta+cos4theta

Express each of the following as the product of sines and cosines: cos12theta+cos8theta