Question

Prove that tan 7 degeree tan 23 degere tan 60 degere tan 67 degere tan 83 degree=/3

Answer 1

Without using trigonometric tables, prove that : (i)tan48∘tan23∘tan42∘tan67∘= 1 (ii)tan7∘tan23∘tan60∘67∘tan83∘=√3

ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘꜱ ʏᴏᴜ. ☺❤

Answer 2

Answer:

tan7°×tan23°×tan60°×tan67°×tan83°

1/cot7°×1/cot23°×tan60°×tan(90-23)×tan(90-7)

1/cot7°×1/cot23°×tan60°×cot23°×cot7°

tan60°

1/√3

proved

Step-by-step explanation:

hope it helps you