3 years ago

1+sec^2xsin^2x=sec^2x

Mathematics

2 answers:

lina2011 [118]3 years ago

5 0

1+sec^2(x)sin^2(x)=sec^2(x)
Then you final answer is 1=1

Sholpan [36]3 years ago

4 0

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

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