If coax+sinx=√2cosx, then cosx-sinx=asinx where a=
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Answer:
Cos x+sinx= ✓2cosx
sinx=(✓2-1)cosx
multiply ✓2+1 both side
(✓2+1)sinx=(✓2+1)(✓2-1)cosx
✓2sinx+sinx=cos x
cosx-sinx=✓2sinx
hope it helps you
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Answered by
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Answer:
cosx-sinx=√2sinx
Step-by-step explanation:
cos x+sinx= ✓2cosx
sinx=(✓2-1)cosx
multiply ✓2+1 both side
(✓2+1)sinx=(✓2+1)(✓2-1)cosx
✓2sinx+sinx=cos x
cosx-sinx=✓2sinx
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