For each statement, determine whether the statement is true or false. Give a sentence justifying your answer.

a. If tan(t)=0, then cos(t)=1 .

b. The function f(x)=sin(x)cos(x) has period 2π.

c. The graph of r = 1 is the unit circle.

d. Two angles with the same cosine value must have the same sine value.

e. The point (0, -3) in Cartesean coordinates can also be described by the ordered pair (-3, π/2) in polar coordinates

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milcah answered 1 year ago

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