Question
Use the trigonometric substitution to write the algebraic expression as a trigonometric function of $\boldsymbol{\theta},$ where $0<\boldsymbol{\theta}<\pi / 2$$$\sqrt{x^{2}+25}, \quad x=5 \tan \theta$$
Step 1
Let's substitute this into our expression: $$\sqrt{(5 \tan \theta)^{2}+25}$$ Show more…
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