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[" frafure "],[" 31."(sin50^(@))/(cos40^...

[" frafure "],[" 31."(sin50^(@))/(cos40^(@))+(cosec40^(@))/(sec50^(@))-4cos50^(@)*cosec40^(@)]

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Solve (sin40^(@))/(cos50^(@))+(csc40^(@))/(sec50^(@))

Find the value of (sin 50^(@))/(cos40^(@))+("cosec"40^(@))/(sec 50^(@))-4cos 50^(@) " cosec"40^(@).

Without using trigonometric tables,find the value of ((sin50^(@))/(cos40^(@)))+((cos ec40^(@))/(sec50^(@)))-4cos50^(@)cos ec40^(@)

Evaluate : (sin50^0)/(cos40^0)+(cos e c40^0)/(sec50^0)-4cos50^0cos e c40^0

Evaluate : (sin50^0)/(cos40^0)+(cos e c40^0)/(sec50^0)-4cos50^0cos e c40^0

(sin70^(@)+cos40^(@))/(cos70^(@)+sin40^(@))

(sin70^(@)+cos40^(@))/(cos70^(@)+sin40^(@))=?

(sin70^(@)+cos40^(@))/(cos70^(@)+sin40^(@))=

(sin70^(@)+cos40^(@))/(cos70^(@)+sin40^(@))=