Question should be sin 20 cos 10 + cos 20 sin 10
remember sin (a+b) = sin a cos b + cos a sin b ?
sin 20 cos 10 + cos 20 sin 10
= sin (20+10)
= sin 30
= 1/2
Answer:
rThe degree of measure of the simicircle are the same.
Step-by-step explanation:
Im almost positive this is right..
This is my interpretation of the questions answer. If you are thinking of a design ten just make a snake one. Its simple but not hard.
All you have to do is subtract the biggest numbers i the problems.
