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