<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:
x=3, y=2
Step-by-step explanation:
To solve by elimination method, multiply one of the equation by a constant such that when you subtract one equation from the other, you are left with one term only.
Answer:
13cm
Step-by-step explanation:
Answer:
3/10
Step-by-step explanation: