Math, asked by amit8647, 10 months ago

above question i need answer fast plzz​

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Answered by keshavmpsjaipur
0

Answer:

Step-by-step explanation:

tan(θ/2) = 1−cosθ/sinθ

Now set  θ= π/4 you get

tan(π/8) = 1−cos(π/4)/sin(π/4) =

1−√2/2/√2/2 = 2−√2/√2

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