Y2 Pure 5.2

Arc length

Deriving a formula for arc length in radians

Using the formula for arc length in radians

Y2 Pure 5.4

Solving trig equations

Solve sin(x) = 1/2

between 0 and 2π radians

Solve cos(x) = 1/2

between 0 and 2π radians

Solve tan(x) = 1

between 0 and 2π

Solving basic trigonometric equations in radians

Solve 1/cos(x) = 5

between 0 and 2π radians

+E7-12 (between 2π and 4π)

Solve sin^2(x) = 1/16

between 0 and 2π radians

Solve 4sin^2(x) = sin(x)

between 0 and 2π

Solve 4sin(x) + 5cos(x) = 0 between 0 and 2π radians

Solve sin(x + π/3) = 0.7

between 0 and 2π

Solve cos(x - π/4) = -0.3

between 0 and 2π radians

Solve sin(2x) = 0.8

between 0 and 2π radians

Solve cos(3x) = 0.7

between 0 and 2π radians

Solve tan(4x) = 3.3

between 0 and 2π radians

Solve sin(3x-0.8) = 0.25

between π and 3π

Solve sin^2(x) + 2sin(x) - 3 = 0 between 0 and 2π radians

Solve 5tan^2(x) - 38tan(x) - 16 = 0 between 0 and 2π radians

Solve 3sin^2(x) = 3 - 2cos(x) between 0 and 2π radians

Solve 3sin(x) = 2cos^2(x)

between 0 and 2π radians

Solve

7sin^2(x) - 5sin(x) + cos^2(x) = 0 between 0 and 2π radians

Solve cos(x + π/3) = sin(x) between 0 and 2π radians

Solve sin(x - π/7) = cos(x) between 0 and 2π radians