Question

i need a full explanation answer....​

Answer 1

Answer:

tan 70 -tan 20=tan50 (on subtracting)

now when tan 50 is divided by tan 50 it gives answer one... I. e. option 2 is correct

Answer 2

Answer:

tan70°-tan20°/tan50°

tan50°/tan50°

1 Ans.

l hope its helps