Y1 Pure 10.1

Angles in all four quadrants

Intro: sin(x), cos(x) & tan(x)

Y1 Pure 10.3

Trig identities

Finding exact values of sin(x), cos(x) & tan(x)

Proving tanθ = sinθ / cosθ

Proving sin^2 θ + cos^2 θ = 1

+E5-03 (simplifying trig expressions)

Y1 Pure 10.5

Harder trig equations

Solving equations that involve transformations

Solve sin(x + 65) = 0.7

between 0 and 360 degrees

+E7:23,25

Solve sin(2x) = 0.8

between 0 and 360 degrees

+E7:29,31,45-46,48

Solve sin(3x-54) = 0.25

between 180 and 540 degrees

Things to remember about

y = sin(x) and y = cos(x)

Solve cos(x + a) = sin(x)

+E7-48 ( sin(x - b) = cos(x) )