what should i do after this step to prove it equal to 1- cos Q/1+ cos Q
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common it (1-cosQ)+sinQ(1-cosQ)
it became (1-cosQ)+(1+sinQ)
as same as the denominator
1+sinQ is common in numerator as well as denominator and it get cancel out
then it is equal to 1-cosQ/1+cosQ
it became (1-cosQ)+(1+sinQ)
as same as the denominator
1+sinQ is common in numerator as well as denominator and it get cancel out
then it is equal to 1-cosQ/1+cosQ
mansigupta23:
my sister is in 10th class
your board??
oh!... yes this is our board time.
ya
your board is cbse or up
cbse
okay
in which stream you will go in 11th class
biology
oh nice
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