12 Questions
1 + tan² X
sec² X
sin² X + cos² X
1
sin(A±B)
sinAcosB ± cosAsinB
1 + cot² X
csc² X
cos(A±B)
cosAcosB -+ sinAsinB
tan(A±B) =
(tanA ± tan B) / (1 -+ tanAtanB)
sin 2X
2sinXcosX
cos 2X
2cos²X - sin²X or 2cos²X - 1 or 1 - 2sin²X
tan 2X
2tanX / (1- tan²X
sin X
(e^iX - e^-iX) / 2i
cos X
e^iX + e^-iX / 2
tan X
[-i (e^iX - e^-iX)] / (e^iX + e^-iX)
Test your knowledge of trigonometry with this quiz on the fundamental identity sin² x + cos² x = 1. See how well you understand this key concept and sharpen your skills in solving trigonometric equations.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
