If cos^4 x-sin^4 x=a implies (1-a)/(1+a)=k tan^2 x then k=?
Answers
Answered by
4
I hope u understand.....
Attachments:
deepabaldawa14:
K=1
oh sorry i forgot to cancel 2
i update image soon wait
2 in numerator and 2 in denominator gets cancelled...
Thank-you so much
Similar questions