Answer:
its b
Step-by-step explanation:
Answer:
57.6159 round if needed
Step-by-step explanation:
We know the length of the triangle which is 298. We know the base of the triangle which is 189.
We need to find angle of elevation so we must use tangent function.

Use inverse tan function

Round if needed.
Π/12 is half of π/6, which is 30 degree
tan(α/2)=(1-cosα)/sinα)
plug in the values: tan(π/12)=(1-cosπ/6)/sin(π/6)=(1-√3/2)/(1/2)=2-√3
Answer:

Step-by-step explanation:
N/A
Answer:
Step-by-step explanation:
(2x^2-11)(x^2+2)
2x^4-7x^2-22