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Combine all terms into a single fraction with $\tan\left(x\right)^2$ as common denominator
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$\frac{1+\tan\left(x\right)^2}{\tan\left(x\right)^2}$
Learn how to solve simplify trigonometric expressions problems step by step online. Simplify the trigonometric expression 1/(tan(x)^2)+1. Combine all terms into a single fraction with \tan\left(x\right)^2 as common denominator. Apply the trigonometric identity: \tan\left(\theta \right)^n=\frac{\sin\left(\theta \right)^n}{\cos\left(\theta \right)^n}, where n=2. Combine 1+\frac{\sin\left(x\right)^2}{\cos\left(x\right)^2} in a single fraction. Applying the pythagorean identity: \sin^2\left(\theta\right)+\cos^2\left(\theta\right)=1.