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[" If "sin47^(@)+sin61^(@)-sin11^(@)-sin...

[" If "sin47^(@)+sin61^(@)-sin11^(@)-sin25^(@)" equals "cos k^(@)" ,"],[" then "k=?]

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sin47^(@)-sin25^(@)+sin61^(@)-sin11^(@)=

If sin 47^@+sin61^@-sin11^@-sin25^@ equals cosk^@ ,then k=?

Show that sin47^(@)+sin61^(@)-sin11^(@)-sin25^(@)=cos7^(@)

sin 47^@ + sin 61^@- sin 11^@- sin 25^@ =

Prove that sin47^(@)+sin61^(@)-sin11^(@)-sin25^(@)=cos7^(@) .

Value of sin 47^(@) + sin 61^(@)- sin 11 ^(@)-sin 25 ^(@) is

The value of sin47^(@) + sin61^(@) - sin11^(@) -sin25^(@) is-

sin47^(@)+cos77^(@)=cos17^(@)