Answer:
see explanation
Step-by-step explanation:
Using the trigonometric identity
sin²x + cos²x = 1
Consider the left side
2cos²A - 1 ← replace 1 by sin²A + cos²A
= 2cos²A - ( sin²A + cos²A)
= 2cos²A - sin²A - cos²A
= cos²A - sin²A = right side ⇒ verified
7 cars full and 5 people on the next car
Answer:
No
Step-by-step explanation:
No because you have to look at the ones first
Answer:
60+12
Step-by-step explanation:
5x12=60
She can make 8 costumes divide the numbers 6\.75=8
