Trigonometría: Demostrar Identidades. Víctor Aracena C.
| __ | 1. | 1+sen(A)•tg(A) | | A. | csc(A)-sec(A) | | __ | 2. | 1/[tg(A)+ctg(A)] | | B. | sen(2A) | | __ | 3. | 2/[tg(A)+ctg(A)] | | C. | [ctg(B)-tg(B)]/2 | | __ | 4. | ctg(2B) | | D. | cos(B) | | __ | 5. | sec(B)-sen(B)tg(B) | | E. | sen(A)cos(A) | | __ | 6. | sen(A)+cos(A) | | F. | [sen(A)+ctg(A)]/ctg(A) | | __ | 7. | tg(A)+ctg(A) | | G. | csc(A)sec(A) | | __ | 8. | [2sen(B)+3]/ [2tg(B)+3sec(B)] | | H. | ctg(B)+sec(B) | | __ | 9. | [cos(B)+tg(B)]/[cos(B)•tg(B)] | | I. | [1+tg(A)]/sec(A) | | __ | 10. | [ctg(A)-tg(A)]/[sen(A)+cos(A)] | | J. | cos(B) |
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