Secant and tangent in one equation

Secant and tangent in one equation

5 marks
TGM Original
Solve 2sec2x+tan x-3=0 for 0 <= x<360. Give answers to 1 decimal place.

Solution:

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Answer:\(x=26.6^\circ,135.0^\circ,206.6^\circ,315.0^\circ\)

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