I don’t exactly know what you’re asking, but cotangent = cosine/sine or another way of writing it is sine = cosine/cotangent
Answer: A
Step-by-step explanation: Edge 2020
3x < -6
x < -6/3
x < -2
Therefore, the solution set is {x | x < -2}.
Answer:
x = 18
Step-by-step explanation:
the sum of any exterior angle is equal to the sum of any two interior angles
3x-11 + 5x+14 = 9x-15
8x + 3 = 9x - 15
3 = x - 15
x = 18
The opposite sides are supplementary
43+x=180
X=137