Trigonometria - Identidades Trigonometricas
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Transcript of Trigonometria - Identidades Trigonometricas
www.matebrunca.com Prof. Waldo Marquez Gonzalez
Ejercicios de Identidades Trigonometricas
1. csc θ · tan θ = sec θ
2. cos θ · csc θ = cot θ
3. sen2 θ + cos2 θ + tan2 θ = sec2 θ
4. sen2 Asec2 A−1
= cos2 θ
5. sec2 X1+cot2 X
= tan2 X
6. 1+tan2 θcsc2 θ
= tan2 θ
7. (sec X + tan X)(1 − sen X) = cos2 X
8. sec θ − sec θ · sen2 θ = cos θ
9. sen X · sec X · cot X = 1
10. cos θ · sec θ = 1
11. sen2 β(1 + cot2 β) = 1
12. sen2 θ · sec2 θ − sec2 θ = −1
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www.matebrunca.com Prof. Waldo Marquez Gonzalez
13. (sen α + cos α)2 + (sen α− cos α)2 = 2
14. tan2 θ · cos2 θ + cot2 θ · sen2 θ = 1
15. tan θ + cos θ1+sen θ = sec θ
16. sen X+cos Xsen X = 1 − 1
tan X
17. cos θcot θ = sen θ
18. sen αcsc α + cos α
sec α = 1
19. tan βsen β = sec β
20. sec θtan θ+cot θ = sen θ
21. csc θcot θ = sec θ
22. 1−sen θcos θ = cos θ
1+sen θ
23. sen4 θ = 1−cos2 θcsc2 θ
24. sec θ(1 − sen2 θ) = cos θ
25. tan θ · cos θ · csc θ = 1
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www.matebrunca.com Prof. Waldo Marquez Gonzalez
26. sen κ · sec κ = tan κ
27. 1sec θ+tan θ = sec θ − tan θ
28. tan θ + cot θ = 1sen θ·cos θ
29. csc θtan θ+cot θ = cos θ
30. sen θcot θ = sec θ − cos θ
31. cos2 β = (1 + sen β)(1 − sen β)
32. 1−sen α(sec α−tan α)2
= 1 + sen α
33. (1 − sen2 γ)(1 + tan2 γ) = 1
34. tan δ + cot δ = sec δ · csc δ
35. (tan ψ + cot ψ) tan ψ = sec2 ψ
36. tan2 µ · cot2 µ = sen2 µ + cos2 µ
37. tan σ−sen σsen3 σ
= sec σ1+cos σ
38. 11+sen ρ + 1
1−sen ρ = 2 sec2 ρ
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www.matebrunca.com Prof. Waldo Marquez Gonzalez
39. tan2 φ · csc2 φ · cot2 φ · sen2 φ = 1
40. cot2 φ(1 + tan2 φ) = csc2 φ
41. sen φ+cos φcos φ = 1 + tan φ
42. cos µ(tan µ + cot µ) = csc µ
43. sec2 κ−1sec2 κ
= sen κ
44. 1+tan2 ψtan2 ψ
= csc2 ψ
45. cot θ−11−tan θ = cot θ
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Bibliograf ıa
[1] Baldor, Aurelio. Geometrıa Plana y del Espacio y Trigonometrıa.
[2] Meneses, Roxanna. Matematica:ensenanza-aprendizaje. UndecimoAno.
[3] Swokowski, Earl. Algebra y Trigonometrıa con Geometrıa Analıtica.
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