Answer:
it's -4 I just took the test and you will get it write
The tangent of x is defined to be its sine divided by its cosine: tan x = sin x cos x . The cotangent of x is defined to be the cosine of x divided by the sine of x: cot x = cos x sin x .
Answer:
D) 
Step-by-step explanation:
A)

B)

C)

D)

Answer:
3/-4
Step-by-step explanation:
20% b/c
70% playground - 60% boys= 10%girls
100% total-70% playground = 30% inside
30% inside-20% boys= 10%girls
10%girls +10% girls=20%girls