Changes
From Karnataka Open Educational Resources
91 bytes added
, 07:43, 11 July 2014
Line 83: |
Line 83: |
| | | |
| = Hints for difficult problems = | | = Hints for difficult problems = |
| + | =='''Problem-1'''== |
| + | '''prove that''' <math>\frac{1-\tan^2 A}{1+\tan^2 A}=1-\sin^2 A</math> |
| | | |
| = Project Ideas = | | = Project Ideas = |