Mathematics
Senior High
Resolved

まるで囲った部分はどうやって変形するのですか?

(8) dx 1+cost 1 cost (1+cosx\1−cosx) dx= =S 1-cos x -dx EQs² x cos1 dx COS X dx= -dx sin² x sin² x sin2 x 1 (sin x) 1 dx + +C tan x sin²x tan x sin x dx

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