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· If cosh x = sec 0 then prove that tanh?
2
= tan
2.​

By Raelynn

· If cosh x = sec 0 then prove that tanh?
2
= tan
2.​

About the author
Raelynn

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А A
Sum of dimension of length & time is – 2
B
Sum of dimension of mass , length & time
is –


3. The titration brake of the precipitation titration curve depends
A. concentration of analyte;
B. Ksp of the pre

1 thought on “<br />· If cosh x = sec 0 then prove that tanh?<br />2<br />= tan<br />2.​”

  1. We know Tanh2 x/2

    = cosh x – 1 / cosh x + 1

    = sec 0 – 1 / sec 0 + 1

    = 1 – cos 0 / 1 – cos 0 = 2 sin²(0/2) / 2cos²(0/2)

    = Tan2 θ/2

    ∴ Tanh2 x/2 = Tan2 θ/2

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