Question

determine the coordinates of the points on the curve y=tanx between 0 and 2pi where the tangent line is perpendcular to y=-1/2x+3

Answer 1

@undeadknight26 @Callisto

Answer 2

tanx become secx^2 right?

Answer 3

*head be spinning* Umm...Umm Blue?
@aaronq @sleepyjess @dumbcow @Data_LG2 @dan815

Answer 4

@nincompoop

Answer 5

@SithsAndGiggles

Answer 6

yes, y ' = sec^2 x

Answer 7

Refer to the attachment.

Answer 8

slope perpendicular to -1/2 is 2
set derivative equal to 2
\[\sec^2 x = 2\]
\[\sec x = \pm \sqrt{2}\]
\[\cos x = \pm \frac{1}{\sqrt{2}}\]
\[x = \frac{\pi}{4} + \frac{\pi}{2}k\]