Answer:
tan 198 = 0.3249
sin 164 = 0.2756
Step-by-step explanation:
To find trig values of any angle, use a calculator with the trig buttons sin, cos, and tan.
First type the angle 198 into the calculator. Then press tan.
tan 198 = 0.3249
First type the angle 164 into the calculator. Then press sin.
sin 164 = 0.2756