Answers

2014-11-14T21:54:14+05:30
COTA-COT2A=COSEC2A
COSA/SINA -COS2A/SIN2A=1/SIN2A
SIN2ACOSA/COSA -COS2ASINA/SINA=1
SIN2ACOSA-COS2ASINA=SINA
SIN(2A-A)=SINA
SINA=SINA

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