for these two questions, I don't get why the u value is set as shown . For part c why is u not cosx ?
For part e why is u cosx not sinx ??
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C4 question on integration watch
- Thread Starter
- 14-11-2016 23:52
- Community Assistant
- 15-11-2016 00:16
- 15-11-2016 00:20
You could probably use sin but the given substitution is normally there to make life easier.