ooferson
13.07.2020 •
Mathematics
Find the exact value of sin105° − sin15°.
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Ответ:
√2/2
Step-by-step explanation:
sin105° - sin15° = sin(105° - 15°)
sin(105° - 15°) = sin(90°)
sin(90°) = √2/2 (Unit circle)
Alternatively, just plug it into your calc to calculate your final answer.
Ответ:
Integer
Step-by-step explanation:
Since we cannot tell if these two integers are decimals, fractions, improper fractions, or whole numbers, there is ALWAYS one thing we know. They are integers.