Math, asked by Abhiram4105, 11 months ago

Prove that Cosh3x=4cosh²x -3coshx

Answers

Answered by Vasu0142

0

put value of x=0°

we get 1=4-3

Thus L.H.S = R.H.S

Vasu0142: yeah btw what do u study ....?

PASUPULETIDURGA: 10 completed

Vasu0142: ohh which board...?

PASUPULETIDURGA: ssc

Vasu0142: Maharashtra?

PASUPULETIDURGA: ts

PASUPULETIDURGA: Telangana

Vasu0142: okay.....

PASUPULETIDURGA: hmm

PASUPULETIDURGA: hi

Answered by PASUPULETIDURGA

0

it is correct it asked my matth miss

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Vasu0142: yes its correct but it takes much time to solve

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