PLEASE HELP ME WITH THIS IM BEGGING (35 POINTS) Pleaseeeeeee! I WILL MAKE YOU THE BRAINLIEST

Mathematics

1 answer:

Sergio [31]3 years ago

8 0

1) given
2) definition of linear pair
3) definition of linear pair and supplementary
4) definition of supplementary supplementary angles add to 180
5) the measure of angle one plus the measure of angle 2 plus the measure of angle 3 equals 180
6) substitution in lines 4 and 5
7) the measure of angle one plus the measure of angle 2 equals measure of angle 4 by algebra and simplification

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If cos(t)= <img src="https://tex.z-dn.net/?f=-%5Cfrac%7B4%7D%7B9%7D" id="TexFormula1" title="-\frac{4}{9}" alt="-\frac{4}{9}" al

Anna35 [415]

<h3>Answer:</h3><h3>cos(-t) = -4/9</h3><h3>sec(-t) = -9/4</h3>

Explanation:

Since cosine is an even function, we can say cos(-t) = cos(t) for all values of t. So this explains why cos(-t) = cos(t) = -4/9. No change happens.

To find the secant value, we apply the reciprocal. This is because sec = 1/cos. So that's how -4/9 flips to -9/4.

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icang [17]

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20 and 21 is your answer

20 + 21 = 41

hope this helps

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