Trigonometric Identities and Special Triangles Answers

 

Questions
Answers
1
sin2 A + cos2 A = x x = 1
2
cos 60° = sin y° y = 30°
3
tan 45° (in root form) z = 
4
sin2 63° = 1 − cos2 ° B = 63°
5
tan 36° =  x = cos36°
6
cos C ° =  C = 30°
7
sin D° = cos 20° D = 70°
8
tan w° =  w = 30°
9
sin2 56° + cos2 E° = 1 E = 56°
10
sin 30° = p p = cos 60° or 0.5