Answer: 3
Step-by-step explanation:
The sine of an angle is equal to the cosine of its complement, so

Answer:
b= -60 or (0,-60)
Step-by-step explanation:
remember it is negative and it is on the y line!!
Answer:
below
Step-by-step explanation:
that is the procedure above
Answer:
7y−2
Step-by-step explanation:
3 1/2 is equal to 7/2. 1 1/2 is equal to 3/2. 7/2 times 3/2 is equal to 21/2, which is equal to 10 1/2.