At which value will the graph of y=cot x have a zero?
a. pi/2
b. pi/4
c. pi/3
d. none of the above.
At which value will the graph of y=cot x have a zero? a. pi/2 b. pi/4 c. pi/3 d. none of the above.
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Remember that the cotangent is given by x / y. So this is 0 where x = 0. Notice that this occurs at pi/2 where, on the unit circle, x = 0 and y = 1.
At which value will the graph of y=cot x have a zero? a. pi/2 b. pi/4 c. pi/3 d. none of the above.
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Remember that the cotangent is given by x / y. So this is 0 where x = 0. Notice that this occurs at pi/2 where, on the unit circle, x = 0 and y = 1.