Choose the correct option and justify your choice:

State whether the following are true or false. Justify your answer.

(i) The value of tan A is always less than 1

(ii) Secfor some value of angle A

(iii) Cos A is the abbreviation used for the cosecant of angle A

(iv) Cot A is the product of cot and A.

(v) for some angle θ

Evaluate the following:

(i)

(ii)

(iii)

(iv)

(v)

Choose the correct option and justify your choice:

Choose the correct option and justify your choice:

Sin 2A = 2 sin A is true when A =