Question
Asked Oct 3, 2019
296 views

Use the given information and a calculator to find θ to the nearest tenth of a degree, if 0° ≤ θ < 360°.

cos θ = −0.3546
with θ in QIII
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Expert Answer

Step 1

Consider the trigonometric equation a...

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Compute the angle 0 by solving the equation as follows. cose-0.3546 0 cos(-0.3546) Since the angle 0 lies in third quadrant, first find the reference angle using calculator as follows os(-0.3546) a COS os(-0.3546) COS = 69.231068697903°

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Math

Trigonometry

Trigonometric Ratios