" Value of "cos(45^(@)+A)=cos(45^(@)-A)...

" Value of "cos(45^(@)+A)=cos(45^(@)-A)

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Value of cos(45^@ +x) + cos(45^@-x) =

2sin45^(@)cos45^(@)

Find the value of (sin45^(@) + cos 45^(@))

The value of sin(45^(@)+theta)-cos (45^(@)-theta) is ..........

The value of sin(45^(@)+theta)-cos(45^(@)-theta) is

The value of sin(45^(@)+theta)-cos(45^(@)-theta) is

The value of sin(45^(@)+theta) - cos(45^(@)-theta) is

The value of sin(45^(@)+theta)-cos(45^(@)-theta) is

Prove that: cos(45^(@)+A) cos(45^(@)-A)=1/2 cos2A

Find the value of sin(45^(@)+theta)-cos(45^(@)-theta)

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