Answer:
5cm
Step-by-step explanation:
This is a trick question
Answer:
21/41
Step-by-step explanation:
Find the total number of students
6+7+2+3+6+8+4+5=41
Then find the students that do not study chemistry
6+7+2+5 = 20
P( not study chemistry) = do not study chem)/total
=21/41
Answer:
I cant really see the questions
Step-by-step explanation:
Answer:
The equivalent trigonometric ratio in Quadrant I is 
Step-by-step explanation:
The terminal side of
is in the 3rd quadrant.
The principal angle is
In other words, the terminal side of
makes an acute angle of
radian with the positive x-axis. Acute angles are in the first quadrant.
Since the cosine ratio is negative in the 3rd quadrant,
