Trigonometry Flashcards
(61 cards)
tan θ
sin θ
_____
cos θ
sin (90° + θ)
cos θ
cos (90° + θ)
-sin θ
tan (90° + θ)
-cot θ
1 + cot² θ
cosec² θ
cosec² θ
1 + cot² θ
tan (A + B)
tan A + tan B
______________
1 - tanAtanB
tan A + tan B
______________
1 - tanAtanB
tan (A + B)
sin² + cos²
1
1
sin² + cos ²
sin (-θ)
-sin θ
cos (-θ )
cos θ
tan (-θ)
-tan θ
cos 2A in cos and sin
cos² - sin²
cos 2A in cos
2 cos²A - 1
cos 2A in sin
1 - 2sin²A
cos²A - sin²A
cos 2A
2 cos²A - 1
cos 2A
1 - 2sin²A
cos 2A
sin (A + B)
sinAcosB + cosAsinB
sin (A - B)
sinAcosB - cosAsinB
sin (90° - θ)
cos θ
cos (90° - θ)
sin θ
tan (90° - θ)
cot θ