Question 16
TrigonometryWhat is the value of sin2 θ + cos2 θ
- A.1
- B.0
- C.−1
- D.depends on θ
Show the answer and explanation
Answer: A (1)
Explanation
This is the Pythagorean identity: sin²θ + cos²θ = 1 for every θ.
What is the value of sin2 θ + cos2 θ
Answer: A (1)
This is the Pythagorean identity: sin²θ + cos²θ = 1 for every θ.