Law of Sines
Law of Cosines
Trig word prob
100
Solve for x using the law of sines.
x = 16.9 cm
100
Solve for x using the law of cosines.
x = 341 cm
100
A 12' ladder is leaning against a wall. itsbase is 3 feet from the wall. Determineitsangle of elevation.
75.5°
200
Solve for w using the law of sines.
w = 34.9 cm
200
Solve for w using the law of cosines.
w = 32.3 cm
200
Jimmy is 25' from the base of a tree. The angle of elevation to the top of the tree is 51°. Determine the height of the tree
30.9'
300
Solve for y using the law of sines.
y = 30 cm
300
Solve for y using the law of cosines.
y = 47.2 cm
300
A student lets out 100 feet of string on a kite from a hand height of 3 feet. The angle between horizontal hand height and the kite is 25º. Find the height of the kite above the ground, to the nearest foot.
45 ft
400
Solve for a using the law of sines.
A = 63.1 degrees.
400
Solve for c using the law of cosines.
c = 84.9 degrees
400
From the top of a 108 foot lighthouse, the angle of depression of a boat at sea is 27º. Find the horizontal distance from the boat to the base of the lighthouse, to the nearest foot.
212 feet
500
A playground slide platform is 13 ft above ground. If the slide is 15 ft long and the end of the slide is 2.5 ft above ground, what angle does the slide make with the ground? Give your answer to the nearest degree.
50 degrees