Step-by-step explanation:
sin(2x) + cos(3x)
Use double angle formula sin(2x) = 2 sin x cos x.
Use triple angle formula cos(3x) = 4 cos³x − 3 cos x.
Substitute:
2 sin x cos x + 4 cos³x − 3 cos x
Hi there!
When the slopes of two perpendicular lines are multiplied the outcome will be -1.
The slope is the number that is positioned in front of the variable x in the formula. In this case the slope of the given line is -2/5.
Let's call the slope of the perpendicular line m and take into account the given data of the question and my earlier explanation. We then find the following:

Divide both sides by - 2/5.

The answer is B.
~ Hope this helps you!
The answer is c thank me later
2.49 divied by 48 1/8
make 2.49 into an mixed number first
2 49/100.
make 2 49/100 into an improper fraction
Mutiply the whole number with the denominator
2*100= 200
Add 200 with the numerator. 200+49= 249
2 49/100= 249/100
48 1/8-make it into a improper fraction
48 1/8=385/8
249/100* 8/385
Answer: 0.05