Definition of cosh(x)
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In mathematics, hyperbolic functions are analogues of the ordinary trigonometric functions, but defined using the hyperbola rather than the circle. Just as the points form a circle with a unit radius, the points form the right half of the unit hyperbola.
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Answer:
cosh(x) is same as cos(x)
Step-by-step explanation:
In a right angled triangle ∆ ABC
right angled at B
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