Answer:
-cos(2x)
Step-by-step explanation:
I did trig last year and tutor a trig class this year :)
Answer: 9 is mean and median is 6
Step-by-step explanation:
Answer:
13 and 77 degrees
Step-by-step explanation:
Complementary = 90 degrees
Set an angle to x
x+(x+64)=90
2x+64=90
2x=26
x=13
angle measures: 13, 77 degrees
Answer:
65
Step-by-step explanation:
Answer: y = 3,x =7
Step-by-step explanation: