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## Main Question or Discussion Point

Hi,

I just learned at class how to solve trig equations in this form:

acos(x)+bsin(x)+c=0

but i didnt understand ANYTHING!!

if someonce can tell me please how to solve equations like that! ( -infinity < x < infinity)

thank you again,

mohamed

I just learned at class how to solve trig equations in this form:

acos(x)+bsin(x)+c=0

but i didnt understand ANYTHING!!

if someonce can tell me please how to solve equations like that! ( -infinity < x < infinity)

thank you again,

mohamed