Answer:

Step-by-step explanation:
Cosine (cos) is adjacent by hypotenuse. 
In any of the 45° angles, 1 is adjacent and √2 is the hypotenuse.
So arrange them to get 
The answer is d because if you multiply -5.6° by 4 you will get -22.4°
The answer is y = -5x/2 + 5
Answer:
38
Step-by-step explanation:
9²+10² = 38
Answer:
t= 0
Step-by-step explanation:
Using the rules of logarithms
log x + log y = log(xy)
1 = 0
Given
a +
= t ,then
(a ×
) = t
1 = t , thus
t = 0