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solve 1 + tan² theta
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#rrb_ntpc #ssc_cgl#ssc_mathon #rrb_ntpc_previous_year
#RRBNTPCMaths#RRBNTPCMAINS#SSCCGL#ssccglmaths#competitivemaths
#rrb_ntpc #ssc_cgl#ssc_mathon #rrb_ntpc_previous_year
#RRBNTPCMaths#RRBNTPCMAINS#SSCCGL#ssccglmaths#competitivemaths