214k views
4 votes
1+sec^2xsin^2x=sec^2x

User Litel
by
8.1k points

2 Answers

3 votes
1+sec^2(x)sin^2(x)=sec^2(x)
Then you final answer is 1=1
User Manav Kataria
by
8.4k points
3 votes
1 + sec^2(x)sin^2(x) = sec^2(x)
This becomes
1+tan^2(x) = sec^2(x) which is an identity
You could
1 + sin^2(x)/cos^2(x) = sec^2(x)
then
cos^2(x) + sin^2(x) = cos^2(x)sec^2(x)
1 = 1
User Ara Yaghsizian
by
8.5k points