Answer:
trigonometry
Step-by-step explanation:
cos 315º sin 450° - cos (-420°) cos(-570°)
plzz solve this step by step by explanation chapter trigonometry
Answer is in the img form.
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Answers & Comments
Answer:
trigonometry
Step-by-step explanation:
cos 315º sin 450° - cos (-420°) cos(-570°)
plzz solve this step by step by explanation chapter trigonometry
Answer:
Answer is in the img form.