Answer
41 and 81
Step-by-step explanation:
The next number would be 63
Answer:
18
Step-by-step explanation:
Answer:
sina
Step-by-step explanation:
Using the cofunction identity
cos(90 - x) = sinx , then
cos(120 - (30 + a) )
= cos(120 - 30 - a)
= cos(90 - a)
= sina
Answer:
Step-by-step explanation:
3% increase
6% decrease
18% increase