Find the value of x .when it is given that cos (4x-10)=0.?
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Answered by
80
we know that cos90 = 0
since, cos(4x-10)=0
therefore, (4x-10)=90
》4x=100
》x=100÷4
》x=25(ans).
since, cos(4x-10)=0
therefore, (4x-10)=90
》4x=100
》x=100÷4
》x=25(ans).
Answered by
28
We know that cos 90=0
sooo...(4x-10)=90
4x=90+10(-10 wen brought to da ryt is positive)
4x=100
x=100/4(4 multiplied on the ryt wen brought to da left is divided)
x=25
thus,x=25.
sooo...(4x-10)=90
4x=90+10(-10 wen brought to da ryt is positive)
4x=100
x=100/4(4 multiplied on the ryt wen brought to da left is divided)
x=25
thus,x=25.
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