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Problem 25
Evaluating trigonometric functions Without using a calculator, evaluate the following expressions or state that the quantity is undefined.
cot (-17π/3)
Problem 31
Evaluating trigonometric functions Without using a calculator, evaluate the following expressions or state that the quantity is undefined.
sec (5π/2)
Problem 35
Solving trigonometric equations Solve the following equations.
tan x = 1
Problem 37
Solving trigonometric equations Solve the following equations.
sin²Θ = 1/4 , 0 ≤ Θ < 2π
Problem 38
Solving trigonometric equations Solve the following equations.
cos²Θ = 1/2 , 0 ≤ Θ < 2π
Problem 41
Solving trigonometric equations Solve the following equations.
sin Θ cos Θ = 0, 0 ≤ Θ < 2π
Problem 51b
Area functions Let A(x) be the area of the region bounded by the t -axis and the graph of y=ƒ(t) from t=0 to t=x. Consider the following functions and graphs.
b. Find A(6).
ƒ(t) = {-2t+8 if t ≤ 3 ; 2 if t >3 <IMAGE>
Problem 98
Identify the amplitude and period of the following functions.
p(t) = 2.5 sin ((1/2)(t-3))