Question

Trigonometry for anyone who’s bored

Answer 1

Answer:

x= 68.19°

Step-by-step explanation:

you can use inverse of cos(x)

$cos^{-1}$($\frac{2}{5}$) =68.19°

∴ x=68.19°

Answer 2

Answer:

we can find the value of x using cos.

cos=adjacent side/hypotenuse

$cos(x)=2/5$

Using inverse cos, we can find the value of x

$cos^-1(2/5)=66.42182152\\x=66$

(Rounded)

Step-by-step explanation: