new doc 2017-03-14 16.51 - Weeblynshsdolan.weebly.com/uploads/8/2/4/6/82468880/new_doc... · 2017....
8
new doc 2017-03-14 16.51 - Weeblynshsdolan.weebly.com/uploads/8/2/4/6/82468880/new_doc... · 2017. 3. 14. · 14. sin2£ + cosx cos 15. cos4y — sin 4 y — cos2y = O Consider the