Question

sec^2x=4
solve for x
a)over the domain of 0_ 15 years ago

Answer 1

u=secx
u^2=4
u=2
u=-2
secx=2
secx=-2

Answer 2

cos(pi/3)=1/2 remember
so sec(pi/3)=2

Answer 3

thats a hint to find your other answers

Answer 4

thanks