Question

prove that sin 38 degree cos 22 degree +cos 38 degree sin 22 degree =root3/2​

Answer 1

Answer:

Step-by-step explanation:

sin 38 cos 22+cos 38 sin 22

If we observe its generally a formula of

Sin(a+b).

so applying the formula

sin(22+38)

sin(60),

√3/2.