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Find an angle thetaθ coterminal to minus, 349, degrees−349 ∘ , where 0, degrees, is less than or equal to, theta, is less than, 360, degrees0 ∘ ≤θ<360 ∘ .

Question

Find an angle θ \theta coterminal to 349-349^\circ, where 0θ<360 0^\circ \leq \theta < 360^\circ .

To find a coterminal angle, we can add or subtract 360360^\circ until the angle lies within the desired range.

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Solution

1. Break Down the Problem

To find an angle θ that is coterminal with -349 degrees, we first need to add or subtract multiples of 360 degrees until the resulting angle falls within the range of 0 degrees to 360 degrees.

2. Relevant Concepts

Coterminal angles differ by full rotations of 360 degrees. Therefore, we can find a coterminal angle by using the formula: θ=original angle+360k \theta = \text{original angle} + 360k where k k is an integer.

3. Analysis and Detail

  1. Start with the original angle: θ=349 \theta = -349^\circ
  2. To find a positive coterminal angle, we can add 360 degrees: θcoterminal=349+360=11 \theta_{coterminal} = -349^\circ + 360^\circ = 11^\circ

4. Verify and Summarize

The calculated coterminal angle is 11 11^\circ . Since this angle is within the specified range of 0 degrees to 360 degrees, it is indeed the correct answer.

Final Answer

θ=11 \theta = 11^\circ

This problem has been solved

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