tan(2tan^-1(1/5) - π/4)?
kuku145:
What is the answer
Like the final one
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Tan[2tan^-1(1/5)-pi/4]
[Tan(2tan^-1(1/5))+tan(pi/4)]/[1-tan(2tan^-1(1/5)×tan(pi/4)]
= (2/5+1)/1-(2/5×1)
= (3/5)/3/5
= 1 ans
I hope its help
[Tan(2tan^-1(1/5))+tan(pi/4)]/[1-tan(2tan^-1(1/5)×tan(pi/4)]
= (2/5+1)/1-(2/5×1)
= (3/5)/3/5
= 1 ans
I hope its help
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