Math, asked by niroj33, 10 months ago

1-tan^2 15°/1+tan^2 15°

Answers

Answered by venkatlohith20141225

3

here is ur ans hope it helps you

Attachments:

Answered by himanshisahu0620

1

Answer:

√3/2

Step-by-step explanation:

using formula,

(1-tan^2A)/(1+tan^2A) =cos2A

putting A=15°,

=cos2(15°)

=cos30°

=√3/2

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