if cosA+ secaA=2 prove that cos^4A +sec^4A =2...
Answers
Answered by
1
i hope this will help you
Attachments:
aadi7571:
for this, you have to do square of cosA+secA = 2
then it will be cos^2A+sec^2A - 2= 2
oh sorry, cos^2A+sec^2A+2=2
actually cos2a+sec2a+2=4
oh yes...
again take square
i hope this will help you
ok done
thanks a lot
welcome
Similar questions
Science,
6 months ago
Social Sciences,
1 year ago
Math,
1 year ago
Hindi,
1 year ago
Social Sciences,
1 year ago
Math,
1 year ago