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Use inverse trigonometric functions to find the solutions, and check for extraneous solutions. A basic trigonometric equation has the form sin (x)=a, cos (x)=a, tan (x)=a, cot (x)=a. The formula to convert radians to degrees: degrees = radians * 180 / π.
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You can use the following definition for the natural logarithm: $$\ln t=\int_1^t\frac{1}{x}dx.$$ So $\ln t$ represents the area below the graph of $1/x$ from $x=1$ to $x=t$. You can easily approximate this area using the Trapezium Rule or other similar approximation methods.
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Take the inverse tangent of both sides of the equation to extract from inside the tangent.
Enter the logarithmic expression below which you want to simplify. The logarithm calculator simplifies the given logarithmic expression by using the laws of logarithms.
Free Logarithms Calculator - Simplify logarithmic expressions using algebraic rules step-by-step.
