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SIZIF [17.4K]
3 years ago
7

An angle in standard position measures pi/2 radians, and P(0, 1) is on the terminal side of the angle. What is the value of the

cosine of this angle
-1
0
1
undefined
Mathematics
2 answers:
WARRIOR [948]3 years ago
7 0
Angles could be expressed in degrees or in radians. The relationship between the two could be easily explained by illustrating a circle. A semi-circle has a total angle of 180°. This is equal to a π radians. So if the angle is π/2, in degrees, that would be 180/2 = 90°. 

Then, determining the cosine 90° in a calculator would yield an answer of zero.
Vika [28.1K]3 years ago
4 0

Answer:

B is correct :)

Step-by-step explanation:

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On the left side, our -5's cancel out and we are left with <em>m</em>. On the right side, -35 ÷ -5 gives us 7. So m = 7.

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Don't just do this problem in your head. It's extremely important to develop the habit of putting all your steps down on paper or digitally. It will really pay off for you down the line.

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<span>https://www.lake.k12.fl.us/cms/lib05/FL01000799/Centricity/Domain/7908/Topic%204%20Centers%204th%20g...</span>


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