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
310, since 4 is not up to 5, then 2 round off to 0
Answer:
15
Step-by-step explanation:
5÷1+3+7
PEMDAS
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
5÷1= 5, then 5+3=8, then 8+7= 15
