Math, asked by 0001oooopppp, 10 months ago

A
Evaluate :
tan 40° x tan 50°

Answers

Answered by curry8

1

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Answered by subhadarsinifalguni

1

Answer:

A

Evaluate :

tan 40° x tan 50 =1

Step-by-step explanation:

tan 40°×tan50°

=tan(90°-50°)×tan50°

=cot50°×tan 50°

=(1/tan50°)× tan50°

=1

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