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
Step-by-step explanation:
To get through school nd have something to do w your life!
Answer:
none
Step-by-step explanation:
Yes, it is Infinitely many solutions.
C,g,a,j my teacher graded it with me today hope this helps! :)))