yohaneshiluf yohaneshiluf

19-06-2024
Mathematics

Answered

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

Answer :

george8823 george8823

19-06-2024

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°.

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