Sine

Cos

Tan

Summary:

1

3

5

2

4

3

5

2

4

3

5

4

5

4

5

Textbook Practice Questions – p.456 (Standard book)

Solve the equation sinӨ=0.7

Use the symmetric property:

sin(180-Ө) = sin Ө(finds one more solution)

Then use the periodic property:

sin(Ө±360) = sin Ө(finds the other solutions in the period)

Solve the equation sinӨ=0.7

Use the symmetric property:

sin(180-Ө) = sin Ө(finds one more solution)

Then use the periodic property:

sin(Ө±360) = sin Ө(finds the other solutions in the period)