IDENTIDADES TRIGONOMETR
__1. 1+cot2AA. 1
__2. 1+tan2AB. cotA
__3. 1/cosAC. csc2A
__4. 1/tanAD. sec2A
__5. cotAE. senA/cosA
__6. cscAF. secA
__7. sen2A+cos2AG. cosA/senA
__8. tanAH. 1/senA
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