Find Any Zeros Of $r$ On the Interval $0 \leq \theta < 2 \pi$

question 38

Multiple Choice

Find any zeros of $r$ on the interval $0 \leq \theta < 2 \pi$ .
$$r = \sqrt { 3 } + 2 \cos \theta$$

• A) zeros: \(\frac { \pi } { 6 } , \frac { 11 \pi } { 6 }\)
• B) zeros: \(\frac { 5 \pi } { 6 } , \frac { 7 \pi } { 6 }\)
• C) zeros: \(\frac { 5 \pi } { 3 } , \frac { 7 \pi } { 3 }\)
• D) zeros: \(\frac { \pi } { 3 } , \frac { 11 \pi } { 3 }\)
• E) zeros: \(\frac { 5 \pi } { 2 } , \frac { 7 \pi } { 2 }\)

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The threshold chosen by the researcher for rejecting the null hypothesis; often denoted by alpha (α) and used in hypothesis testing.

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Alternative Hypothesis

A statement in hypothesis testing that proposes a difference or association, contrasting with the null hypothesis which suggests no effect.