Prove it
Friends its urgent
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i will replace 'alpha' by x because I don't have the symbol....
A.T.Q
1)
sinx+cosx/cosx-sinx
=cosx+sinx/cosx-sinx
=(cosx+sinx)*(cosx+sinx)/(cosx-sinx)*(cosx+sinx)
=(cosx+sinx)²/(cos²x-sin²x)
=(cos²x+sin²x+2sinxcosx)/cos(2x)
=(1+sin(2x))/cos(2x)
=1/cos(2x) + sin(2x)/cos(2x)
=sec(2x)+tan(2x)....
HENCE PROVED
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