Mathematics
Senior High
Solved
下線部の計算の仕方を教えて下さい。
2 for (12 str²x cosx + cos³ x ) dx
ここで、12sin²xcosx+costx
11
= cose (Usin²e + cos²x)
= cosxsin2xt-sha)
= cosx ( il sin2xt)
2 for (sin x)' (11 sin ² x + 1 ) dx
0
#4
= 2 ["sin³x + sin x] =
0
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