Fill in the blank with positive or negative.
If B is acute, then sin B is and cos B is .
Find if the value of each function is positive, negative, 0 or undefined.
Sin(–95)
tan (305)
Given the point (–4, 3), find sin θ, cos θ, and tan θ.
Determine the values of the six trigonometric functions of an angle θ (in standard position) whose terminal side passes through point P(2, –3).
Determine the quadrant angle θ and then determine five other trigonometric functions of θ. Produce your answers involving radicals in simplest radical form.
cos θ = –9/19, 0 θ 180
Determine the six trigonometric functions of θ.
θ = 180
The point shown in the figure is on the terminal side of an angle θ in standard position. Determine the six trigonometric functions of θ.
Draw the angle 135. Then find its reference angle.
Draw the angle –110. Then find its reference angle.
Draw the angle Then find its reference angle.
Determine the measure of the reference angle αif angle θ is 476.
Determine the measure of the reference angle α if angle θ is –200.
Determine the measure of the reference angle α if angle θ is –181.8.
Write cos 211 as a function of an acute angle.
Write sin(–79) as a function of an acute angle.
Find the value of
sin(600)
What is the exact value of sin 330?
Without using a calculator, evaluate csc (–225).
Without using a calculator, evaluate
Without using a calculator, evaluate.