Question

write the given expression as the sine of an angle sin 30°cos 50°+ sin 50°cos 30°

Answer 1

sin (A+B) = sinAcosB+cosAsinB

Answer 2

i dont really get how to slove this the awsners are like sin(-100) sin(80) sin (20) sin (30) sin (50) i dont know who u could end up with anyof these numbers because the cancel out right ?

Answer 3

What I wrote is an identity. when you recognize the pattern sin 30°cos 50°+ sin 50°cos 30°
you convert it to sin (30+50) or sin(80)

Answer 4

google Sum and Difference Formulas