ICSE Class 10 Answered
If I tan a +m sec a=n and q tan a +r seca =j
then prove that:(nq-qn/mq-rl)^2=1+(jm-rn/mq-lr)^2
Asked by kmondaldgms | 16 Aug, 2018, 11:20: AM
Expert Answer
Answered by Yasmeen Khan | 16 Aug, 2018, 02:30: PM
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