Find the values of the six trigonometric functions for an angle in standard position that measures 270°

Question

stamp · Answer

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stamp · Answer

270 * pi / 180 = 3/2 pi radians

anonymous · Answer

Not quite, aparently sin = -1

stamp · Answer

It is supposed to lol

stamp · Answer

You are 1/6 completed, keep going ;)

anonymous · Answer

Well my issue is I didn't figure that part out. My teacher told me that sin is equal to one and I'm trying to figure out why. I'll give you my thought process

stamp · Answer

Sin of 90° = sin of pi/2 = 1

Sin of 270° = sin of 3pi/2 = -1 

Either you misheard your teacher, or your teacher is wrong. Likely you misheard or misunderstood your teacher

stamp · Answer

Listen, I have to go do some other things, but this website is excellent and if you bookmark it, it will serve you well across the entirety of your mathematical career. So please read it, try the examples provided, and then read it again, and you should get a lot of benefit from it. http://tutorial.math.lamar.edu/Classes/CalcI/TrigFcns.aspx Best of look, and I am sure others here will be willing to help if you have further questions.