Algebra 2 Unit 10

sin B = ____ m<= _____ tan A=_____ m<A=_____

* 0.7067 & *45° *1 & *60°

11.7

A=20° ; C=87° , a=4 , c = ______

65°

A=27° ; a=2, b =4 , B= ______

40.1°

convert from degrees to radians, Use π = 3.14. Round your answer to the nearest tenth of a degree. 0.7 radians = ____

15°

convert from degrees to radians, Use π = 3.14. Round your answer to the nearest tenth of a degree. π /12 radians = ______

0.052

convert from degrees to radians, Use π = 3.14. Round your answer to three decimal places. 3° = ____

1.640

convert from degrees to radians, Use π = 3.14. Round your answer to three decimal places. 94° = ____

√3/2

if sin(π /2 - x) = Cos x and Sin (π /3) = (√3/2), find Cos (π/6).

opposite

The ratio of the leg ____ to an angle to the hypotenuse of a right triangle is called the sine of the angle.

tangent

the ration of the leg opposite to an angle to the leg adjacent to the leg adjacent to the angle in a right triangle is called the ______ of the angle.

4.7

use a graphing or scientific calculator and the law of cosines, C^2 = a^2 + b^2 -2ab cos C, a^2 = b^2 + C^2 -2ab cos A, b^2 = a^2 + c^c - 2acCos B to find the missing angle to the nearest degree or length to the nearest tenth. b=5, c=8 , <A =33, a = _____

0

use the formula Cos(2x) = 1 -2Sin^2 x to find Cos (π /2) , if sin (π /4) = (√2/2)

1 unit up

what direction and how many units did the graph shift vertically?

what is the distance between minimum and maximum points on the graph?

14 units

cosine

The ratio of the leg adjacent to an angle to the hypotenuse of a right triangle is called the _____ of the angle.

consine

The reciprocal of the ____ is the secant.

cotangent

The reciprocal of the tangent is the ____.