Answer:
Part A:
given that cos β = 3/5
that means the base line is 3 and the hypotenuse is 5
Note that, The base line 3 is adjacent to β and opposite to α.
Sin α = opposite / adjacent
sin α = 3 /5
Part B:
α and β are complementary angles
Answer:
relative
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
finding the product of 2 numbers means that you have to multiply those numbers

when multiplying fractions , numerators are multiplied by numerators and denominators by denominators

therefore product of 3/8 and 16 is 6
next we have to find 2/3 of 6
'of' operator means multiplication

answer is 4