Remember that sec=1/cos:
Invert both members:
Consider the arccos of both sides:
Arccos and cod simplify:
Add 15 to both sides:
Divide both sides by 2:
Answer:
9 x 10^12
Step-by-step explanation:
for multiplying scientific notation, you multiply the numbers (3 x 3) and add the exponents together (6 + 6) to get 9 x 10^12
Answer:
0.3073> 0.3037
Step-by-step explanation:
how can i explain more than 20 characters duh?
Its D.
First you find the slope which is (picking any points)
y2-y1/x2-x1
0-4/2-1....slope is -4
using the
y = mx+b plug in points
0 = -4(2) + b
0 = -8 +b
b = 8