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Mathematics 9 Online
OpenStudy (anonymous):

Find all solutions to the equation. cos x = sin x

OpenStudy (welshfella):

divide both sides by cos x

OpenStudy (anonymous):

that can get me to 1=tanx but where do I go from there?

OpenStudy (anonymous):

divide both sides by cos x 1 = sin x / cos x 1 = tan x arctan (1) = x x = pi/4 + pi * n

OpenStudy (welshfella):

well what angles have a tan of 1?

OpenStudy (welshfella):

thats correct

OpenStudy (anonymous):

thank you I understand this now

OpenStudy (welshfella):

yw

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