A
Using unit circle, find (2ñ/3) in degrees.
What is 120°
Convert (91°40’) to radians. [three decimal points]
What is 91.667°
Using (ø=s/r), find the radian measurement of the central angle if the radius of 80in intercepts the arc length of 100in.
What is 5/4in
Convert (22ñ/11) to degrees.
What is 360°
Convert (13) to degrees. [three decimal points]
What is 744.845°
Find Cos of Tan(11/12). [leave simplified]
What is (12/|265|)
Find Sin of Cos(9/25)
What is (|544|/25)
A building casts a shadow about 74 ft long on the street while the sun’s rays form a 32° angle to the earth. Find the elevation of the building.
What is 46.24 ft tall
Find exact value of Cos(ñ/3).
What is (1/2)
Find sec(32). [three decimal places]
What is the 1.179
Find the Amplitude and Period: y=8sinx
What is 8 and (2ñ)
What are the vertical asymptotes of tanx
What is multiples of (ñ/2)
A sinusoid with the amplitude of 4 has a minimum value of 9. What is the maximum value?
What is 17
Give the vertical and horizontal Shrink/Stretch: y=8sin2x
What is a vertical stretch of 8 and a horizontal shrink of 1/2
Find sinØ and tanØ if cosØ=2/7 and cotØ<0
What is sinØ=(-|45|/7) and tanØ=(-|45|/2)
Find x if secx=(2|3|)/3 and (3ñ/2)<x<2ñ
What is (11ñ/6)
Find the approximate solutions for secx=9cosx with -ñ<x<ñ [nearest thousandth]
What is x=-1.911,-1.231,1.231, 1.911
The graph of y=cosx can be obtained by a horizontal shift of the graph of which trig function.
What is sinx
What are the vertical Asymptotes of y=5tan6x?
What are the odd multiples of (ñ/12)
Find x if tanx=2.5 and 0<x<(ñ/2) [nearest hundredth]
What is 1.19
The angle of elevation of the top of the TV antenna mounted on top of a certain tower is measured to be 84°22’3” at a point 195 ft from the base of the tower. How tall is the tower plus the antenna.[nearest foot]
What is the height of the tower is 1977 feet
Find solution: cos(arctan20x)
What is (1/|1+400(x^2)|)
A ship travels at 25 knots from its home port on a course of 101° for 5 hours and then changes course of 191° for 3 hours. Find the distance and bearing of the home port to the ship. [nearest thousandth]
What is d=145.774 nautical miles and bearing=132°
Determine true or false: sin((sin^-1)x)=x for all real numbers. Justify your answer.
What is false, this is only true for -1<x<1, the domain of sin^-1
Find solution: sin(cos^-1(|3|/2))
What is 1/2