Question

If cot thita = 3/4, evaluate:
i.] (1+sin thita)(1-sin thita)/
(1+cos thita) (1-cos thita)​

Answer 1

Step-by-step explanation:

(1+sin thita)(1-sin thita)/

(1+cos thita) (1-cos thita)

=(1-sin^2thita)/(1-cos^2thita)

=cos^2thita / sin^2thita

=cot^2thita

=(3/4)^2

=9/16