Further Trigonometry: Factor Formula, Identities and R-formula Ex1


1.

Solutuion:

2.

Prove the following identities.

(a)

(b)

Solutuion:

3.

 

Solutuion:

4.

Solutuion:

5.

Prove the identities.

(a)

(b)

Solutuion:

6.

Solutuion:

7.

Solutuion: