coshx 5) dx ++sinh²x

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.6: Parametric Equations
Problem 5ECP: Write parametric equations for a cycloid traced by a point P on a circle of radius a as the circle...
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SEATWORK:
GUIDE:
For #1-3 see examples in your module.
For #4...
Some Hyperbolic Identities
sinh (-x) = - sinh x
cosh (-x) = cosh x
cosh'x - sinh'x = 1
coth'x -1 = cschx
cosh x + sinh x = e*
2 tanh x
tanh 2x =-
1+tanh x
cosh 2x = cosh²x+ sinh'x
= 2cosh'x -1
= 2sinhx +1
coshx
sinh 2x = 2 sinh x cosh x
5)
dx
V9+sinh?x
For #5...
Let u be a differentiable function of x.
[sinh u] = (cosh u)u'
dx
d
[cosh u] = (sinh u)u'
d
[tanh u] = (sech² u)u'
dx
d
[coth u] =
dx
-(csch2 u)u'
d
-[sech u] = -(sech u tanh u)u'
dx
d
-[csch u] = -(csch u coth u)u'
dx
Transcribed Image Text:SEATWORK: GUIDE: For #1-3 see examples in your module. For #4... Some Hyperbolic Identities sinh (-x) = - sinh x cosh (-x) = cosh x cosh'x - sinh'x = 1 coth'x -1 = cschx cosh x + sinh x = e* 2 tanh x tanh 2x =- 1+tanh x cosh 2x = cosh²x+ sinh'x = 2cosh'x -1 = 2sinhx +1 coshx sinh 2x = 2 sinh x cosh x 5) dx V9+sinh?x For #5... Let u be a differentiable function of x. [sinh u] = (cosh u)u' dx d [cosh u] = (sinh u)u' d [tanh u] = (sech² u)u' dx d [coth u] = dx -(csch2 u)u' d -[sech u] = -(sech u tanh u)u' dx d -[csch u] = -(csch u coth u)u' dx
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