<em>The right answer for:</em>
<em>cos(-170°) = _____</em>
<em>is:</em>
<em>-cos10°</em>
<h2>
Explanation:</h2>
The cosine function is an even function, which means that for every point
on the graph of
then the point
also lies on the graph of the function. In other words, we can write:

But:

So:

By property:

<h2>Learn more:</h2>
Trigonometric functions: brainly.com/question/2680050
#LearnWithBrainly
It should be 1/4 because one third of three fourths is one fourth. I hope this helps!
Answer:
the faster cyclist was going 18 mph
the slower cyclist was going 9 mph
Step-by-step explanation:
72 ÷ 4 = 18
18 ÷ 2 = 9
Answer:
C. (2x – 1)(2x + 1)
Step-by-step explanation:
4x² – 1 = (2x)(2x) – 1 = (2x – 1)(2x + 1)
-13+3b = -5-b
4b -13 = -5
4b = 8
b= 2