Using SOH CAH TOA
Sin =opposite/hypotenuse
that means opposite=2
Hypotenuse=3
Cos=Adjacent/Hypotenuse
Using Pythagorean theorem
Hyp^2=Opp^2 +Adj^2
3^2 =2^2+adj^2
9=4+adj^2
9-4=adj^2
5=adj^2
Taking the square root of both sides
√5=adj
:: cos=√5/3
1/5 (0.2)
0.49
0.5
Hope this helped!! xx
Answer:
if you need to evaluate it its
Evaluate.
9=−1
however if you need to
Determine if True its False
hoped that help
Not sure about the first one,
The second one is 1/9.
