Sin x +Cos x= 2 1/2 Sin x. Then Cos x – Sin x=?

Question

noogler · Answer

cosx – sinx = + 2 1/2 cosx

noogler · Answer

let cosx-sinx=k, sinx +cosx= 2 1/2 sinx square and add both eq. u get 1+1=2sin 2 x+k 2 …............as sin 2 x+cos 2 x=1 solve it ….......... APPROVE IF USEFUL!!!!!!!!!!!!!!!

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Sin x +Cos x= 2 1/2 Sin x. Then Cos x – Sin x=?

Sin x +Cos x= 2^1/2 Sin x.
Then Cos x – Sin x=?

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Sin x +Cos x= 2 1/2 Sin x. Then Cos x – Sin x=?

Sin x +Cos x= 21/2 Sin x.Then Cos x – Sin x=?

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Sin x +Cos x= 2^1/2 Sin x.
Then Cos x – Sin x=?