Without using calculator, solve 2 tanh-1 = In 2. I+1

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A: Please refer the attached image for complete solution.

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A: we have to find the value of x,  we have,  tanhx=0.5

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A: According to guidelines we solve one question. Thanku

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A: Evaluation of the trigonometric integral

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A: Explained below

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Q: 12) cos x = -0.83

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A: Given:sin3x=1  on the interval  [0,2π)

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Q: Given 0 <0 < 27, solve 4 tan 0 – 4 = 0.

A: 4 tanθ -4=0

Q: 21. Solve the equation: a) 2 tanh-1x = In 3

A: Given, 2 tanh-1 x = ln 3

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A: According to the Bartleby guidelines, I'm answering the first question for you. Kindly re-post the…

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A: To solve the following trigonometric equation.  3Sin(2x) = 2.

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A: Expand sin^4(3theta)

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A: We use the formula ? sin(x+iy)= sinhx cosy +i coshx siny  ? coshx(x+i y) = coshx cosy +i sinhx siny…

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A: Given,  tanx=5 x=tan-15 x=78.69°

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