That's of course the sum angle formula for sine
sin(a+b) = sin a cos b + cos a sin b
We have a=20° b=40°
sin 20° cos 40° + cos 20° sin 40°
= sin(20°+40°)
= sin(60°)
= √3/2
Answer: √3/2
Answer:
60 adult tickets were bought.
Step-by-step explanation:
Answer:
3 cm
Step-by-step explanation:
A= x+z .... -x from each side and you gots a-x=z
Answer:
2 option= 3+3+3+3= 3(4) because it do not have exponent!!
Step-by-step explanation: