Answer:35.71
Step-by-step explanation:
If sinα=cosß it means that ß=90-α. This also means that α+ß=90 so we can say:
4k-22+6k-13=90
10k-35=90
10k=125
k=12.5°
...
The above identity comes up a lot, and is one worth committing to memory for sure.
sinα=cos(90-α) or vice versa cosα=sin(90-α)
Answer:
7 days
Step-by-step explanation:
The number 9 in scientific notation is 8•10^0
<span>Proportional to 45⁄3
= 15/1 or 30/2
hope it helps</span>
