<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
Answer:
28
Step-by-step explanation:
ABC=56, next BD is a bisector which means 1 and 2 are equal so 56/2 = 28, both 1 and 2 equal 28
Answer:
sum of interior angles of the octagon is 1080 degree
Step-by-step explanation:
forluma:
(n-2)*180 degree
since octagon has 8 sides
(8-2)*180 degree
6*180
1080 degree
Each student would get half a muffin because 18 times two is 36. If you wanted to split it evenly than you have to give each student a half of muffin.
Hope this helps!