10. $$ \frac{1+\operatorname{Sen} A}{\operatorname{Cos} A}+\frac{\operatorname{Cos} A}{\operatorname{Sen} A}=\frac{1+\operatorname{Sen} A}{\operatorname{Sen} A \cdot \operatorname{Cos} A} $$ 12. $$ \frac{1-\operatorname{Cos} A}{\operatorname{Sen} A}+\frac{\operatorname{Sen} A}{1-\operatorname{Cos} A}=2 \operatorname{Cec} A $$ 14. $$ \frac{1}{1-\operatorname{Sen} B}=\operatorname{Sec}^{2} B+\operatorname{Sec} B \operatorname{Tan} B $$ 16. $$ \operatorname{Tan}^{2} B-\operatorname{Sen}^{2} B=\operatorname{Tan}^{2} B \operatorname{Sen}^{2} B $$ 18. $$ \frac{\operatorname{Sen} heta-\operatorname{Sen}^{3} heta}{\operatorname{Cos}^{2} heta}=\frac{1}{\operatorname{Csc} heta} $$ 20. $$ \frac{\operatorname{Cos}^{4} \alpha-\operatorname{Sen}^{4} \alpha}{1-\operatorname{Tan}^{4} \alpha}=\operatorname{Cos}^{4} \alpha $$

Question

10. $$ \frac{1+\operatorname{Sen} A}{\operatorname{Cos} A}+\frac{\operatorname{Cos} A}{\operatorname{Sen} A}=\frac{1+\operatorname{Sen} A}{\operatorname{Sen} A \cdot \operatorname{Cos} A} $$ 12. $$ \frac{1-\operatorname{Cos} A}{\operatorname{Sen} A}+\frac{\operatorname{Sen} A}{1-\operatorname{Cos} A}=2 \operatorname{Cec} A $$ 14. $$ \frac{1}{1-\operatorname{Sen} B}=\operatorname{Sec}^{2} B+\operatorname{Sec} B \operatorname{Tan} B $$ 16. $$ \operatorname{Tan}^{2} B-\operatorname{Sen}^{2} B=\operatorname{Tan}^{2} B \operatorname{Sen}^{2} B $$ 18. $$ \frac{\operatorname{Sen} 	heta-\operatorname{Sen}^{3} 	heta}{\operatorname{Cos}^{2} 	heta}=\frac{1}{\operatorname{Csc} 	heta} $$ 20. $$ \frac{\operatorname{Cos}^{4} \alpha-\operatorname{Sen}^{4} \alpha}{1-\operatorname{Tan}^{4} \alpha}=\operatorname{Cos}^{4} \alpha $$

UpStudy AI · Accepted Answer

Claro, aquí tienes las ecuaciones trigonométricas en español: 10. $$ \frac{1+\sin A}{\cos A}+\frac{\cos A}{\sin A}=\frac{1+\sin A}{\sin A \cdot \cos A} $$ 12. $$ \frac{1-\cos A}{\sin A}+\frac{\sin A}{1-\cos A}=2 \sec A $$ 14. $$ \frac{1}{1-\sin B}=\sec^{2} B+\sec B 	an B $$ 16. $$ 	an^{2} B-\sin^{2} B=	an^{2} B \sin^{2} B $$ 18. $$ \frac{\sin 	heta-\sin^{3} 	heta}{\cos^{2} 	heta}=\frac{1}{\csc 	heta} $$ 20. $$ \frac{\cos^{4} \alpha-\sin^{4} \alpha}{1-	an^{4} \alpha}=\cos^{4} \alpha $$

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