Trigonometry Unit 1 Study

Question 1

Rules for 90-45-45 triangle

Answer 1

45 degree= a
90 degree=. a root 2

Question 2

Rules for 30-60-90 triangle

Answer 2

30= a
60= a root 3
90= 2a

Question 3

Law of sines

Answer 3

SinA sinB sinC
___ =. ___=_____
a. b. c

Question 4

SAS triangle area formula

Answer 4

Area = 1/2 Ab sinC

Question 5

C law of cosines formula

Answer 5

c square= a square + b square -2ab COS C

Question 6

B law of cosines formula

Question 7

A law of cosines formula