Lines land m are parallel lines cut by the transversal line t Which angle is congruent to 1?
1 answer:
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<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:
Trigonometric functions: brainly.com/question/2680050
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