If sin(3x-20)=cos (3y+20) then what will be the value of tan (x+y)
Answers
Answered by
22
The answer is in photograph
Attachments:
Answered by
11
sin(3x-20)=ciao(3y+20)
sin(3x-20)=sin[90-(3y+20)]
3x-20=70-3y
3x+3y=20+20
x+y=90/3
x+y=30
this answer may help you
sin(3x-20)=sin[90-(3y+20)]
3x-20=70-3y
3x+3y=20+20
x+y=90/3
x+y=30
this answer may help you
Similar questions