If A = 30 and B = 60, verify that sin(A + B) = sinA cosB + cosA sinB,

Question

Philoid · Accepted Answer

L.H.S

= Sin(A + B)

= sin(30 + 60)

= sin90

= 1

R.H.S

substituting the required values in

sinAcosB + cosAsinB

=

= 1

If A = 30 and B = 60, verify thatsin(A + B) = sinA cosB + cosA sinB,