Question

I need help with these four

Answer 1

• True, b), c), b)

Explanation:

Q1

• True

Q2

• b) sin = opposite/hypotenuse

Q3

• Cos A = 0.1908
• A = arccos 0.1908
• A = 79° ⇒ Option c)

Q4

• tan A = 16/19
• A = arctan 16/19
• A = 40° ⇒ Option b)