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3 years ago

7

Determine the solution on the interval [0, 2pi] for the equation

2%3D0" id="TexFormula1" title="sec^{2} x-2=0" alt="sec^{2} x-2=0" align="absmiddle" class="latex-formula">

1 answer:

AleksAgata [21]3 years ago

5 0

Step-by-step explanation:

sec² x − 2 = 0

sec² x = 2

cos² x = ½

cos x = ±√½

x = π/4, 3π/4, 5π/4, 7π/4

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