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Pre-Calculus
Trigonometry Identities
| Question | Answer |
|---|---|
| sin(x)= | 1/csc(x) |
| cos(x)= | 1/sec(x) |
| tan(x)= | 1/cot(x) |
| csc(x)= | 1/sin(x) |
| sec(x)= | 1/cos(x) |
| cot(x)= | 1/tan(x) |
| tan(x)= | sin(x)/cos(x) |
| cot(x)= | cos(x)/sin(x) |
| sin2(x) + cos2(x) = | 1 |
| 1 + tan2(x) = | sec2(x) |
| 1 + cot2(x) = | csc2(x) |
| sin(π/2 - x)= | cos(x) |
| tan(π/2 - x)= | cort(x) |
| sec(π/2 - x)= | csc(x) |
| cos(π/2 - x)= | sin(x) |
| cot(π/2 - x)= | tan(x) |
| csc(π/2 - x)= | sec(x) |
Created by:
U0105006
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