How to prove it's an identity
sin y + sin 3y + sin 5y + sin 7y = 4 cos y cos 2y sin 4y
1 answer:
Answer:
0.9777102203
Step-by-step explanation:
the identity is 0.9777102203
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Answer:
10
Step-by-step explanation:
Yesterday, the store made $10,500 in sales
Answer:
There are 9 adults
Step-by-step explanation:
3:5 = x:15
3/5 = x/15
3(15) = 5x
5x = 45
x = 9 adults
3:5 = 9:15
The answer is A- between 8 m& 12m
