Answer:
-19
Step-by-step explanation:
It's -19 I took the test
Proof in the picture below
Answer:
About 4 students completed the walk.
Step-by-step explanation:
0.72%=0.0072
0.0072*560=4.032
This is as simplified as it gets since there are none of the same variables.
Answer:
sin²(α)
Step-by-step explanation:
sin⁴(α) − cos⁴(α) + cos²(α)
sin⁴(α) − cos²(α) (cos²(α) − 1)
sin⁴(α) − cos²(α) (-sin²(α))
sin⁴(α) + sin²(α) cos²(α)
sin²(α) (sin²(α) + cos²(α))
sin²(α) (1)
sin²(α)