Trigonometric Ratios in Radians

Practice: Trigonometric Ratios in Radians


Fill in the blanks.
If the initial angle is in radians, answer in radians. If the initial angle is in degrees, answer in degrees.
Do NOT include units in your answer.

Reference AngleCoterminal Angle between2πθ2π; 360θ360280a.b.7π4c.d.165e.f.7π6g.h.\begin{array}{|c|l|l|}\hline &\textbf{Reference Angle}&\textbf{Coterminal Angle between}\\ &&\footnotesize-2\pi\leq{}\theta{}\leq{}2\pi;~-360^\circ\leq{}\theta{}\leq{}360^\circ\\\hline\\ 280^\circ&\textbf{a.}&\textbf{b.}\\\\\hline\\ \dfrac{7\pi}{4}&\textbf{c.}&\textbf{d.}\\\\\hline\\ -165^\circ&\textbf{e.}&\textbf{f.}\\\\\hline\\ -\dfrac{7\pi}{6}&\textbf{g.}&\textbf{h.}\\\\\hline \end{array}
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More Trigonometric Ratios in Radians Questions:
More Trigonometric Ratios in Radians Questions: