if sin 4x =cos 5x then the value of x is ____
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Answered by
20
sin 4x= cos 5x
sin 4x= sin(90-5)
4x+5x=90
x=10
shiny209:
I think it should be sin 4x=cos (90-5)
no havnt you learnt about complementary angles
please refer the ncert
can u explain briefly y is it like that
see i told you read ncert
Answered by
6
Value of x is 10 mate
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you cant cancel out the function like this
means
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