Hello. Would like some help please. Okay, so: tan(7Pi/4) = -tan(Pi/4) = -1 I understand how it's -tan, and how it equals -1, but how/why did the brackets change from (7Pi/4) to (Pi/4)??? :/
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Originally Posted by ShootMePlease Hello. Would like some help please. Okay, so: tan(7Pi/4) = -tan(Pi/4) = -1 I understand how it's -tan, and how it equals -1, but how/why did the brackets change from (7Pi/4) to (Pi/4)??? :/ Because , which is in the fourth quadrant. So it's basically asking you to evaluate , but to then take into account the fact that the tangent function is negative in the fourth quadrant.
Thank you! That makes much more sense now.
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