Select the best answer for the question 13. Find the exact value by using the sum or difference identity: cos (135° + 120°)

asked Aug 8, 2022 192k views

11 votes

Select the best answer for the question

13. Find the exact value by using the sum or difference identity:
cos (135° + 120°)

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3 votes

Answer:

more info please

Explanation:

Kelly Beard answered Aug 13, 2022

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