Find Angle -20° in Radian Measure as a Multiple of $\frac { \pi \sqrt { 2 } } { 2 }$

question 29

Multiple Choice

Find angle -20° in radian measure as a multiple of ?. ?

• A)9?
• B) \(\frac { \pi \sqrt { 2 } } { 2 }\)
• C) \(- \frac { \pi } { 9 }\)
• D) \(\frac { \pi \sqrt { 3 } } { 3 }\)
• E) \(\frac { \pi } { 9 }\)

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