Answer:
I and IV
Step-by-step explanation:
cosine is positive/greater than 0 in quadrants I and IV. Its just a rule of the unit circle.
Can remember by All Star Trig Class
meaning all the trig funtions are positive in quadrant I
sin is positive in II
tan is positive in III
and cos is positive in IV
is that supposed to be written as a fraction and you are looking for a percentage?
Answer:
A, C, and E.
Step-by-step explanation:
thats just the answer. i dont make the rules.
Shift all one to the left take all the vertices and move them left one
The second table represents it correctly