If (5\theta+20^\circ) and (\theta+140^\circ) are coterminal angles then what is the least positive value of (\theta)?
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Answer and explanation
Correct answer: (120^\circ)
The difference (4\theta-120^\circ) must be a multiple of (360^\circ). For the least positive value (\theta=120^\circ).
Frequently asked questions
What is the correct answer to this question?
(120^\circ)
Why is this the correct answer?
The difference (4\theta-120^\circ) must be a multiple of (360^\circ). For the least positive value (\theta=120^\circ).
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.
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