Perform the Indicated Operation $\left( 12 \operatorname { cis } 13.5 ^ { \circ } \right) \left( 2 \operatorname { cis } 7.5 ^ { \circ } \right)$

question 32

Multiple Choice

Perform the indicated operation. Give answers in rectangular form expressing real and imaginary parts to four decimal
places.
- $\left( 12 \operatorname { cis } 13.5 ^ { \circ } \right) \left( 2 \operatorname { cis } 7.5 ^ { \circ } \right)$

• A) \(22.4059 + 8.6008 \mathrm { i }\)
• B) \(- 6.5728 + 10.0399 \mathrm { i }\)
• C)
• \(- 1.0955 \mathrm { i }\)
• D)
• \(+ 22.4059 \mathrm { i }\)

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