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Presentation transcript:

Review For The Midterm Exam

Covert the following to degrees. 

60°

Covert the following angle to radians: 225°

What point on the unit circle corresponds to the angle 60°

,

Find the exact value of sec

undefined

Simplify

2 sec 2 x

Complete the following Pythagorean Identity tan 2 x =________

Sec 2 x-1

If tanx = Find x

51.6°

Find the acute angle x if sin x =

60°

Determine the quadrant in which the terminal side of an angel of 395° lies.

Quadrant 1

Find all solutions of the equation in the interval [0,2  sin2x – sinx = 0

X = 0,,  or

tan 2 x - 1 = 0

X = or

Given sinx = And tanx < 0, find cos x

Cosx =

A foot ladder leaning against the side of a house reaches 10 feet up the side of the house. What angle does the ladder make with the ground.

33.74

Determine the amplitude: f (x)= -2/3 sin (4x)

2/3

Name the period of Y= -tan 3x

 /3

Evaluate: Sin [ arccos (-2/7) ]

Using sum and diff formula: Find the sin of 195

Using sum and diff formula: Find the tan

Using sum and diff formula: Find cos

If sin x = 5/13 90<x<180 find cos (x/2)

If sec x = -5/2 and 90 < x < 180 Find tan 2x

A = 22 in. b = 12in. A = 42° Find c

29.4 inches

Find the area of the triangle given a = 90 m b = 52 m C = 102°

2289 sq. meters

Find the three angles Of the triangle whose sides measure a = 8 ft, b = 19 ft and c = 14 ft.

B = 116.8° A = 22.08° C = 41.12°