Saved Bookmarks
| 1. |
Differentiate o sinarRespect to awith |
|
Answer» d/dx(sin2x) = d/dx(2sinxcosx) Use product rule of = 2[sinx d/dx(cosx) + cosx d/dx(sinx)] = 2[sinx(−sinx) + cosx(cosx)] = 2(cos^2x−sin^2x) Trigonometric identity cos^2x−sin^2x = cos2x = 2(cos2x) |
|