18173410
| Question | Answer |
| sen²(x) + cos ²(x) | 1 |
| sec²(x) - tan²(x) | 1 |
| tan (x) | sen(x) ———— cos(x) |
| cos(2x) | cos²(x)-sen²(x) |
| sen(2x) | 2sen(x)cos(x) |
| cot(x) | cos(x) ———— sen(x) |
| 1 - sen²(x) | cos²(x) |
| 1 - cos²(x) | sen²(x) |
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