Mathematics
Senior High
Resolved
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249 (1) [tan‘xdx=[tanx tan3xdx
tan’rtan°rda
1
=S
= Stan² x
-1)dx
cos² x
=S
tan2x
dx-
cos² x
S
r-tanxdx
1
-
=1 tan² x(tan x/dx - (032 x − 1)dx
cos²
=/ta
3
-tan³ x - tan x + x + C
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理解できました！ありがとうござます！