sin2a+cos3a =0
a=thita hai
thita ka bapak man bato
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if sin2a + cos3a=0
2@+3@=90
because @+b=90
then, 2@+3@=90
5@=90
@=90/5
@=18
2@+3@=90
because @+b=90
then, 2@+3@=90
5@=90
@=90/5
@=18
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