Question

Evaluate : tan 35⁰ tan 60⁰ tan 55⁰ tan 30⁰​

Answer 1

Answer: 1

Explanation:

tan35° tan60° tan55° tan30°

= tan (90° - 55°) tan (90° - 30°) tan55° tan30°

= cot 55° cot 30° tan 55° tan 30°

= $\frac{1}{tan55^0} . \frac{1}{tan30^0}$ tan 55°. tan 30°

= 1

Thus, tan35° tan60° tan55° tan30° = 1

Hope you got that.

Thank You.

Answer 2

Here is the answer and Hope it helps