Answered

At Westonci.ca, we provide clear, reliable answers to all your questions. Join our vibrant community and get the solutions you need. Get expert answers to your questions quickly and accurately from our dedicated community of professionals. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

Establish the identity.
19(sin²θ) + 20(cos²θ) = 19 + cos²θ
Which of the following shows the key steps in establishing the identity?
A. 19(sin²θ) + 20(cos²θ) = 19(sin²θ+cos²θ) + cos²θ = 19+cos²θ
B. 19(sin²θ) + 20(cos²θ) = 19 + 20(sin²θ + cos²θ) +sin²θ = 19 + cos²
C. 19(sin²θ) +20(cos²θ) = 19(sin²θ+cos²θ) + sin²θ = 19 + cos²θ
D. 19(sin²θ) +20(cos²θ) = 19 + 20(sin²θ + cos²θ) + cos²θ = 19 + cos²

Sagot :

Answer:

option A

Step-by-step explanation:

sin^2+cos^2=1

as you know....

Thank you for visiting our platform. We hope you found the answers you were looking for. Come back anytime you need more information. We hope you found what you were looking for. Feel free to revisit us for more answers and updated information. Find reliable answers at Westonci.ca. Visit us again for the latest updates and expert advice.