KAPIS WEEK 3_Quiz 3

1. Find the value of x if 3 sinh x - 2 cosh x - 2 = 0 using hyperbolic function formula.

• a. x = ln 3
• b. x = ln 5
• c. x = ln 4
• d. x = ln 1/2

2. Identify the correct hyperbolic functions identity for sinh (x + y).

• a. cosh y - cosh x sinh y
• b. sinh x - cosh x sinh y
• c. sinh x cosh y - cosh x sinh y
• d. sinh x cosh y + cosh x sinh y

3. Identify the correct hyperbolic functions identity for cosh (-x).

• a. cosh x
• b. - sinh x
• c. 2 sinh (x)
• d. cosh x + sinh x

4. Find the value of cosh(ln 3)

• a. 3/5
• b. -3/5
• c. 5/3
• d. 1/3

5. Solve for cosh^2 x - sinh^2 x

• a. -1
• b. 1
• c. 0
• d. 1/2