Question

If sin(A + B) = sinAcosB + cosAsinB, then the value

of (sin1°cos29° + cos1°sin29°) is

Answer 1

sin(1+29)degrees===sin 30 degrees=1/2units

Answer 2

⇒(sin 1° cos 29° + cos 1° sin 29°)

=sin (1° +29°)

=sin 30°

=1/2