Math, asked by arcsubvay2005, 6 months ago

find the value of tan40⁰ × tan50⁰​

Answers

Answered by spiderman2019
1

Answer:

Step-by-step explanation:

Tan50° * Tan40°

= Tan(90° - 40°)  * Tan40°

= Cot40° * Tan40°   (∵ Tan(90 - Ф) = CotФ)

= 1

Similar questions