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The Derivative Calculator is an invaluable online tool designed to compute derivatives efficiently, aiding students, educators, and professionals alike. Here's how to utilize its capabilities:
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prove $$\frac{\cos\left(x\right)}{1+\sin\left(x\right)}+\frac{1+\sin\left(x\right)}{\cos\left(x\right)}=2\sec\left(x\right)$$
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