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:
If rounding up it is 1
Step-by-step explanation:
the nearest whole number is 1.
Answer:
3/10, 30%
Step-by-step explanation:
the shaded region is 9/30 which is equivilent to 3/10 and 3/10is 30 percent.
hope this helps!
Step-by-step explanation:
2+2=4 so 4