Answer:
0.36
Step-by-step explanation:
We need to solve the first bracket first and then the others,
Value of Cos^ - 1(1/3) =70.53°
Then, 90 - the value of cosine
=19.47°
Then, put the new in the calculator:
Tan (19.47°)
and the answer comes 0.3535294237
then I use the nearest formula and got the answer = 0.36
