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Find the Trigonometric Form Of 9+9i- 9 + 9 i
A)

Question 66

Multiple Choice

Find the trigonometric form of 9+9i- 9 + 9 i .


A) 9(cos3π4+isin3π4) 9 \left( \cos \frac { 3 \pi } { 4 } + i \sin \frac { 3 \pi } { 4 } \right)
B) 92(cos3π2+isin3π2) \frac { 9 } { 2 } \left( \cos \frac { 3 \pi } { 2 } + i \sin \frac { 3 \pi } { 2 } \right)
C) 92(cos3π2+isin3π2) 9 \sqrt { 2 } \left( \cos \frac { 3 \pi } { 2 } + i \sin \frac { 3 \pi } { 2 } \right)
D) 92(cos3π4+isin3π4) 9 \sqrt { 2 } \left( \cos \frac { 3 \pi } { 4 } + i \sin \frac { 3 \pi } { 4 } \right)
E) 92(cos3π8+isin3π8) \frac { 9 } { 2 } \left( \cos \frac { 3 \pi } { 8 } + i \sin \frac { 3 \pi } { 8 } \right)

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