Answered

Welcome to Westonci.ca, where you can find answers to all your questions from a community of experienced professionals. Join our platform to connect with experts ready to provide detailed answers to your questions in various areas. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

Which of the following is equal to sin 280°?
a) sin80°
B) cos (-10°)
C) -cos 80°
D)-cos10°

Sagot :

Answer:

Step-by-step explanation:

The value of sin 280° is equal to -cos 80°.

sin 280° = -cos 80°.

Therefore, the correct option is C) -cos 80°.

Thank you for your visit. We are dedicated to helping you find the information you need, whenever you need it. We appreciate your time. Please revisit us for more reliable answers to any questions you may have. Westonci.ca is here to provide the answers you seek. Return often for more expert solutions.