Express each of the products into sums or difference of sines and cosines : `sin 75^0 . Cos 15^0`

Express each of the products into sums or difference of sines and cosines : sin75^(0).cos15^(0)

Express each of the products into sums or difference of sines and cosines : 2sin5 theta*cos3 theta

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

Convert each of the following products into the sum or difference of sines and cosines: sin75^0cos15^0

Express each of the products into sums or difference of sines and cosines: cos9 theta.cos4 theta

Express in the products into sums or difference of sines and cosines : 2 sin 5theta. Cos 3theta

Express each of the products into sums or difference of sines and cosines : 2cos3 theta*sin2 theta

Convert each of the following products into the sum or difference of sines and cosines: cos\ 75^0cos15^0

Convert each of the following products into the sum or difference of sines and cosines: sin75^(@)cos15^(0)

Express each of the following products into sum and difference of sines and cosines ( i ) 2cos3 theta sin2 theta( ii) 2sin5 theta cos3 theta( iii) cos9 theta cos4 theta(iv)sin75^(@)cos15^(@)