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Calculating the tangent of $20$ degrees
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$derivdef\left(\frac{99}{272}-1\right)$
Learn how to solve definition of derivative problems step by step online. Find the derivative of tan(20)-1 using the definition. Calculating the tangent of 20 degrees. Subtract the values \frac{99}{272} and -1. Find the derivative of -0.6360298 using the definition. Apply the definition of the derivative: \displaystyle f'(x)=\lim_{h\to0}\frac{f(x+h)-f(x)}{h}. The function f(x) is the function we want to differentiate, which is -0.6360298. Substituting f(x+h) and f(x) on the limit, we get. Subtract the values 0.6360298 and -0.6360298.