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Mathematics 14 Online
OpenStudy (anonymous):

Trig inverse functions

OpenStudy (anonymous):

OpenStudy (anonymous):

what about them

OpenStudy (anonymous):

just use a calculator

OpenStudy (campbell_st):

well you can draw a triangle... the angle is in either the 3rd of 4th quadrants |dw:1364238437048:dw| find the value of a, it will be negative, using pythagoras, theorem the value of b is the positive a. then when you have a and b you can find tan (x) and tan (y)

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