Mathsaurus

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Sine rule 1

Sine rule 2 - the ambiguous case

Cosine rule

Area of a triangle

Bearings

Worksheet: Sine and cosine rules and area of a triangle

Question 1 abc

Question 1 def

Question 2

Question 2

Question 3

Question 4

Question 5

Question 6 hint

Question 6

Bouns: Proof of sine and cosine rules (Mathsaurus YouTube)

Solving equations involving sin(x) for any angle

Solving equations involving cos(x) for any angle

Solving equations involving tan(x) for any angle

Worksheet: Solving trig equations for any angles

Question 1

Question 2

Question 3

Question 4 hint

Question 4

Question 5 hint

Question 5

Exact values of sin cos and tan

Exact values beyond 90 degrees

Worksheet D3 - Exact trigonometric ratios

Question 1

Question 2

Question 3

Question 4 hint

Question 4

Question 5

Harder trig equations part 1

Harder trig equations part 2

Worksheet - Solving harder trig equations

Question 1

Question 2

Question 3 hint

Question 3

Question 4 hint

Question 4

Question 5 hint

Question 5

tanx=sinx/cosx

sin^2(x)+cos^2(x)=1

Example using tanx=sinx/cosx

Example using sin^2(x)+cos^2(x)=1

Worksheet - Using trig identities to solve equations

Question 1

Question 2

Question 3 hint

Question 3

Question 4 hint

Question 4