
Since

for

, we have

, so we take the positive root. Now,

- - -


In the first quadrant, cosine is positive, so

and in turn,


- - -
In the previous problem, we had

, so we must have

, which means
Answer:
predoc
Step-by-step explanation:
Step-by-step explanation:
<h2>
<em>If they are different, rewrite one or both fractions with a common denominator. Step 2: Check the numerators. If the denominators are the same, then the fraction with the greater numerator is the greater fraction. The fraction with the lesser numerator is the lesser fraction.</em></h2>
The sum of angles in a quadrilateral is 360°.
75° +125° +∠T +60° = 360°
∠T = 360° -260° = 100°