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taller con identidades trigonometricas

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Page 1: taller con identidades trigonometricas

1. sin2 𝑥 + cos2 𝑥 = sin 𝑥 csc 𝑥

2. tan2 𝑥 + sin 𝑥𝑐𝑠𝑐 𝑥 = 𝑠𝑒𝑐2 𝑥

3. tan2 𝑥 cos 𝑥 + cos2 𝑥 = 1

4. 1

cos 𝑥 𝑐𝑠𝑐 𝑥= tan 𝑥

5. cot2 𝑥 +1

cot 𝑥 tan 𝑥= csc 𝑥

6. 1

csc2 𝑥+ cos2 𝑥 = 1

7. sin2 𝑥 +1

sec2 𝑥= 𝑠𝑒𝑛 𝑥 csc 𝑥

8. sin 𝑥

csc 𝑥 +

cos 𝑥

sec 𝑥= 1

9. 1−sin 𝑥

cos 𝑥=

cos 𝑥

1+𝑠𝑒𝑛 𝑥

10. cot2 𝑥

csc 𝑥−1= csc 𝑥 + 𝑠𝑒𝑛2𝑥 + cos2 𝑥

11. tan 𝑥 + cot 𝑥 =1

cos 𝑥 sin 𝑥

12. csc 𝑥

tan 𝑥+cot 𝑥= cos 𝑥

13. 1

1+sin 𝑥+

1

1−sin 𝑥= 2 sec 𝑥

14. sec 𝑥

tan 𝑥+cot 𝑥= sec 𝑥

15. 1−cos 𝑥

𝑠𝑒𝑛 𝑥=

𝑠𝑒𝑛 𝑥

1+cos 𝑥

16. sec 𝑥 + cos2 𝑥 =1

cos 𝑥+

1

sec2 𝑥

17. (1 − sin2 𝑥)(1 + tan2 𝑥) = 1

18. cot2 𝑥 + sin2 𝑥 = csc2 𝑥 − cos2 𝑥