Trigonometry, Maths Flashcards
1
Q
sec^2θ
A
1+tan^2θ
2
Q
cosec^2θ
A
1+cot^2θ
3
Q
sin2θ
A
2sinθcosθ
4
Q
tan2θ
A
2tanθ / 1-tan^2θ
4
Q
sin(θ+φ)
A
sinθcosφ+sinφcosθ
5
Q
cos(θ+φ)
A
cosθcosφ-sinθsinφ
6
Q
tan(θ+φ)
A
tanθ + tanφ / 1-tanθtanφ
7
Q
cos2θ
A
cos^2θ - sin^2θ