Csc is the inverse of sin. This means the formula in regards to a triangle for csc is h/o, unlike o/h for sin. csc can also be knows as 1/sin.
Acute angles are angles that measure below 90°, meaning below a right angle.
Answer: x = -2
Steps/work provided down below. Please let me know if you have any further questions! :)
B, the inverse is not a function, because to the x-value 0 the inverse relation orders two values: the 1 and the 5 as well.
3x (4x^4-5x)
add all of the numbers with a x to get
12x^4
and 12x^4=
20736x