Why trigonometric functions are defined using a unit circle and why not any other circle?

Asked by bhawnanaman | 2nd Oct, 2015, 09:15: AM

Expert Answer:

C o n s i d e r space a space u n i t space c i r c l e space w i t h space c e n t r e space a s space open parentheses 0 comma 0 close parentheses. L e t space u s space o b s e r v e space t h e space f o l l o w i n g space f i g u r e.

Answered by Vimala Ramamurthy | 2nd Oct, 2015, 01:28: PM