Question

Prove that tan 45 = tan 30 * tan 60 ( without using values)

Answer 1

tan45° = tan30° tan60°

This question cannot be done without using values.

We know tan45° = 1

tan30°= 1/root3

and tan 60° = root 3

1 = 1/root3 *root3

1 = 1

Hope it helps