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Novosadov [1.4K]
3 years ago
15

19. Use the unit circle to find the value of tan 315º. Show work pls.

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
7 0

Answer: -1

Step-by-step explanation:

First change tan(315) to:

\frac{\sin(315)}{\cos(315)}

Then evaluate the sine and cosine function. What is the y component of 315 degrees? What is the x component of 315 degrees?

-\frac{\sqrt{2} }{2} /\frac{\sqrt{2} }{2} =-1

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