Course content

92 lessons

3.1 · Algebra

0/12

3.2 · Logarithmic and exponential functions

0/14

3.3 · Trigonometry

0/13

The identities sec²θ = 1 + tan²θ and cosec²θ = 1 + cot²θ

12m

Solving equations with sec, cosec and cot

13m

Compound angle formulae: sin(A ± B) and cos(A ± B)

14m

Compound angle formulae: tan(A ± B)

12m

Double angle formulae

14m

Further trigonometric identities

14m

Expressing a sin θ + b cos θ in the form R sin(θ ± α) or R cos(θ ± α)

14m

Using the R form: greatest values and equations

13m

Trigonometry: practice

10m

Trigonometry: exam practice

15m

Trigonometry: summary

3.4 · Differentiation

0/12

3.5 · Integration

0/8

3.6 · Numerical solutions of equations

0/10

3.1 · Further algebra

0/11

3.4-3.5 · Further calculus

0/12

3.3 · TrigonometryLesson 1 of 13Free preview

The cosecant, secant and cotangent ratios

sec θ = 1/cos θ, cosec θ = 1/sin θ and cot θ = 1/tan θ, with exact values from the ones you know.