Answer:
y = 23
x = -4.5
Step-by-step explanation:
Given:
Equation
8x + y = -13 ......eq1
8x + 2y = 10........eq2
Find:
Solution
Computation:
Eq2 - Eq1
y = 23
From eq1
8x + y = -13
8x + 23 = -13
8x = -36
x = -4.5
Its wrong for x = 2
y = (3/4) * 2^2 = 3 (NOT 4)
Use the identity:
tan^2 = sec^2 - 1
I attached a photo showing all the steps including the final answer.