See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
10 cards from this deck
Rewrite a sin x ± b cos x as r sin(x±α)
tan α = b/a
5 sin(x+α) with tanα = 4/3
x = -α + nπ, n∈Z
r = 25, tanα = -24/7, x = -α + nπ
When equation has a sin x and b cos x
Solve r sin(x+α)=c, then use arcsin identities
r = 13
r sin(x+α) with tan α = b/a
r sin(x+α), r=√(a^2+b^2), tanα=b/a
Select your subjects, and get access to A+ resources today.