Answer:

Step-by-step explanation:
We have been given that Sandra knows the Pythagorean identity
. She is told that
and
.
First of all, we will find value of sine theta using the given identity.










Therefore,
.
Answer:
STEP 3.) x = 9/8
Step-by-step explanation:
x + 5/8 = 7/4
x + 5/8 - 5/8 = 7/4 - 5/8
= x =9/8
Answer:
1. x = {1.5, 0.2}
2. x = 1
Step-by-step explanation: