Trig identities
Order by
28 terms
Terms | Definitions |
|---|---|
 ∫cosx dx | sinx+c |
| ∫sinx dx | -cosx+c |
| ∫tan²x dx | tanx-x+c |
| ∫sec²x dx | tanx+c |
| ∫cscx dx | ln |cscx + cotx|+c |
| ∫csc²x dx | -cotx+c |
| ∫secx dx | ln |secx + tanx|+c |
| ∫secx tanx dx | secx+c |
| ∫tanx dx | -ln |cosx|+c |
| ∫cscx cotx dx | -cscx+c |
| ∫cotx dx | ln |sinx|+c |
| d/dx sin⁻¹x | 1/√(1-x²) |
| d/dx sinx | cosx |
| d/dx cosx | -sinx |
| d/dx tanx | sec²x |
| d/dx cotx | -csc²x |
| d/dx secx | secx tanx |
| d/dx cscx | -cscx cotx |
| d/dx tan⁻¹x | 1/(1+x²) |
| cos2x | 2cos²x -1 or 1-2sin²x |
| cos²x | (1+cos2x)/2 |
| cos²∂ | (1+cos2∂)/2 |
| sin²∂ | (1-cos2∂)/2 |
| sin(A+B) | sinAcosB+cosAsinB |
| cos(A+B) | cosAcosB-sinAsinB |
| ∫du/(a²+u²) | (1/a)tan⁻¹(u/a)+C |
| ∫du/√(a²-u²) | sin⁻¹(u/a)+C |
| ∫du/(u√(u²-a²)) | (1/a)sec⁻¹(|u|/a)+C |
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