Y=A/(asintheta +bcostheta), where A,aand b are positive constant then for y to be minimum
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a and 3 are roots «fax2 +bx+c=0
’“4'33 -% agate-OE. b2 2012*Bz=(0l‘9'512' _2a8=%_2%=_b_n_220_c
a +5‘.[a1+52]2-2a253
_(_b___2‘__2f_ac)z_§._2l __|2
_ b“+4a2cz4013292023 b‘+202c’-4ab2c 4 4 a a
’“4'33 -% agate-OE. b2 2012*Bz=(0l‘9'512' _2a8=%_2%=_b_n_220_c
a +5‘.[a1+52]2-2a253
_(_b___2‘__2f_ac)z_§._2l __|2
_ b“+4a2cz4013292023 b‘+202c’-4ab2c 4 4 a a
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