AM-2680

Trigonometric equations

A Math · Secondary 4 · Hard · Trigonometric equations

Solve the equation

2\tan^2 x-3\tan x-2=0

for

0\le x\le2\pi

.

$x\approx1.11,2.68,4.25,5.82$
$x\approx0.46,2.68,3.60,5.82$
$x\approx1.11,4.25$ only
$x\approx0.46,3.60$ only

Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.

Loading problem…