1.What is the exact value of sin(-pi/12) ?

is my answer correct:

-squ(3) -1 / 2squ(2)

2. What are the solutions of the equation 2sin (4x)=1 on the interval [0, pi)?

Is the answer is:

x=5pi/24

3. A 30-foot ramp is used to move product to a loading dock. The ramp makes a 24° angle with the horizontal. The ramp is to be replaced with a ramp that is 50 feet long. What angle does this replacement ramp make with the horizontal? Round your answer to the nearest tenth of a degree.

My answer is:

14.1 degree

Please help and see if its correct if not please help me!!

KASI20W Apr 2, 2020

#3

#6**+1 **

Yes you divide both sides of the equation by 4 so pi/6 would be divided by 4 also

ElectricPavlov
Apr 2, 2020

#7**+1 **

I know i have asked many questions but is it correct?

2.1 for pi/6 and 10.5 for 5pi/6

KASI20W
Apr 2, 2020

#8**+1 **

You MULTIPLIED by 4......you need to DIVIDE by 4

4x = pi/6 divide by 4

x = pi/24

4x = 5pi/6 divide by 4

x = 5pi/24

ElectricPavlov
Apr 2, 2020

#4**+1 **

3. I got 14.1^{o }like you did..... good work ! (or we BOTH got the wrong answer...haha)

ElectricPavlov Apr 2, 2020