Answer:
c is -7
Step-by-step explanation:
-7 + 10 = 3
:D
1/4;2/5;83/100;3/2;7/10;4/5
Step-by-step explanation:
5(tanx)^2 -2 +tanx=0
let tanx=y
5y^2 + y-2=0
y=0.5403 or y= -0.7403
tanx=0.5403
x=arctan(0.5403)
x=28.38°
or
tanx=-0.7403
x=arctan(-0.7403)
x=143.49°
Answer:
416 is your answer!!!
Step-by-step explanation:
mak me brainliest and add me as a fiend
