WILL GIVE BRAINLIEST. Explain how you would prove that this is an identity. (Please explain in understandable terms)

Answer:
Step-by-step explanation:
I would first expand out the numerator since it would become [tex]\sin^{2} x+2\sin x \cos x+\cos^{2}x[/tex], which would allow me to use the double angle formula for sine and the Pythagorean identity.