Math, asked by arcsubvay2005, 5 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

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