MATH110/April 2017/Question 11 (b)

Fragment of a discussion from User talk:AiliShao

I made some changes... but not sure about whether I need to further explain why \sin x is positive on this interval.

AiliShao (talk)‎00:08, 5 March 2018

Thanks, Aili. No you don't need to explain further, because they learn about trigonometric function in the class.

HyunjuKwon (talk)‎00:18, 5 March 2018
 
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