cricket 1046 AM 95 savstateviewusgedu Factoe and simplify t

cricket 10:46 AM * 95%- savstate.view.usg.edu Factoe and simplify te espessio \" tan240 0-5 A)

Solution

1) (1 + tan²x)/sec x = sec²x/sec x = sec x

2)   sin x*cos x/tan x = sin x*cos²x/sin x = cos²x

4) cos²x + cos²x*tan²x = cos²x*(1 + tan²x) = cos²x*(sec²x) = cos²x/cos²x = 1

8) tan 240 = tan(180 + 60) = tan 60 = sqrt(3)