SOLUTION: Using a calculator, find the value of cot (-414 degrees) to four decimal places. a.-0.7265 b.-9.5143 c.-1.3764 d.-2.2460

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Question 137934: Using a calculator, find the value of cot (-414 degrees) to four decimal places.
a.-0.7265
b.-9.5143
c.-1.3764
d.-2.2460
Answer by Edwin McCravy(20060)   (Show Source): You can put this solution on YOUR website!
Using a calculator, find the value of cot (-414 degrees) to four decimal places.
a.-0.7265
b.-9.5143
c.-1.3764
d.-2.2460

Use the fact that 

First find , then find its reciprocal.

You can find this easily



Then you can either use the reciprocal key, or else 



to get  which rounds off to choice a.

Edwin
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