Answer:
2 * cos(11t/2) * sin(3t/2)
Explanation:
To answer this question, we will simply use the formula relating the difference between the sines as follows:
sin A - sin B = 2 * cos[(A+B)/2] * sin [(A-B)/2]
Now, we have:
A = 7t
B = 4t
Substitute with the givens in the formula as follows:
sin 7t - sin 4t = 2 * cos[(7+4)/2] * sin [(7-4)/2]
sin 7t - sin 4t = 2 * cos[11t/2] * sin [3t/2]
Hope this helps :)
the answer is 0.01 just type that in on google and it will put that into the caculator.
Answer:
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Step-by-step explanation:
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Step-by-step explanation:
1 lb. is 16 oz.
so
16x4 60 then subtract by 12 = your answer
16x3 48 subtract by 12 = your answer
