AnswersIC Pre-Cal - DeeringLaw of Sines

Law of Sines Answers

4 verified answers2 views
1
Free Preview

Assume that Q, R, and S are the angles of a triangle, with opposite sides q, r, and s respectively. Select all of the following that represent the law of cosines.

A
q2 = r2 + s2 – 2rscos(Q)
B
q2 = r2 + s2 – 2qscos(R)
C
r2 = q2 + s2 – 2qscos(Q)
D
r2 = q2 + s2 – 2qscos(R)
E
s2 = q2 + r2 – 2qrcos(S)
2
Free Preview

Question text not available

A
SAS is given, and the unknown measure, b, is a side length.
B
SSA is given, and the unknown measure, b, is a side length.
C
SSS is given, and the unknown measure, b, is an angle measure.
D
ASA is given, and the unknown measure, b, is an angle measure.
3

Since we are given information here, we can use the following equation to solve for m∠A.

A
SSS
B
SAS
C
SAA
4

Find the value of x to the nearest tenth.Which of the following equations correctly sets up the law of cosines to solve for x?

A
Option
B
Option
C
Option
D
Option

Did you find these answers helpful?

More from this Course

Assignment
22 verified answers

Law of Sines

Assignment
23 verified answers

Law of Sines

Assignment
23 verified answers

Law of Sines