Math, asked by preetilatadwivedy09, 2 months ago

solve it: sec²x tany dx + sec²y tanx dy = 0

Answers

Answered by mramameen111

0

Answer:

²y tanx dy = 0

Step-by-step explanation:

3x+y+4671)dx+(3y+²y tanx dy = 0x+1)dy=0

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