AM-2681

Trigonometric equations

A Math · Secondary 4 · Medium · Trigonometric equations

Solve the equation for

0\le x\le 2\pi

:

\tan x + 3\sec^2 x = 6.

(Give your answers in radians.)

$x\approx0.703,\ 2.274,\ 3.845,\ 5.416$
$x\approx1.44,\ 4.58$
$x\approx0.703,\ 2.44$
$x\approx1.44,\ 3.845$

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