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OpenStudy (anonymous):
secx - tanx = cosx
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OpenStudy (anonymous):
change everything in terms of sinx and cosx...and then factorise the result..
OpenStudy (anonymous):
how
OpenStudy (anonymous):
1/cosx -sinx/cosx = cosx... (1-sinx)/cosx = cosx...
OpenStudy (anonymous):
kk
OpenStudy (anonymous):
what next
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OpenStudy (anonymous):
1-sinx = cos^2x... 1-sinx = (1- sin^2 x) (1-sinx) =(1-sinx)((1+sinx) (1-sinx) - (1-sinx)((1+sinx) = 0 (1-sinx) ( 1-1-sinx)=0
OpenStudy (anonymous):
thx
OpenStudy (anonymous):
welcome..
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