trigonometria_1
__1. cos 30º=A. 5,67
__2. cos-1 0,5=B. 0,71
__3. sin 45º=C. 30
__4. sin 90º=D. 44,42
__5. sin-1 0,5=E. 2,14
__6. sin-1 0,7=F. 18,66
__7. sin-1 0,32=G. 21,80
__8. tg 65º =H. 60
__9. tg 80º =I. 1
__10. tg-1 0,4=J. 0,87
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