Complimentary means 90 degree angle so 90-41.4= the complimentary angle which is 48.6. Supplementary means 180 degrees so 180-41.4= the supplementary angle which is 138.6..
Recall that
sin(<em>a</em> + <em>b</em>) = sin(<em>a</em>) cos(<em>b</em>) + cos(<em>a</em>) sin(<em>b</em>)
sin(<em>a</em> - <em>b</em>) = sin(<em>a</em>) cos(<em>b</em>) - cos(<em>a</em>) sin(<em>b</em>)
Adding these together gives
sin(<em>a</em> + <em>b</em>) + sin(<em>a</em> - <em>b</em>) = 2 sin(<em>a</em>) cos(<em>b</em>)
To get 14 cos(39<em>x</em>) sin(19<em>x</em>) on the right side, multiply both sides by 7 and replace <em>a</em> = 19<em>x</em> and <em>b</em> = 39<em>x</em> :
7 (sin(19<em>x</em> + 39<em>x</em>) + sin(19<em>x</em> - 39<em>x</em>)) = 14 cos(39<em>x</em>) sin(19<em>x</em>)
7 (sin(58<em>x</em>) + sin(-20<em>x</em>)) = 14 cos(39<em>x</em>) sin(19<em>x</em>)
7 (sin(58<em>x</em>) - sin(20<em>x</em>)) = 14 cos(39<em>x</em>) sin(19<em>x</em>)
Answer:
4^4
Step-by-step explanation:
the answer is 4 to the power of 4
For the answer to the question above asking w<span>hat is the conditional probability that exactly two of the children will be allergic to peanuts, given that at least one of the three children suffers from this allergy?
The answer to the question above is 0.0012. I hope this helps</span>
Answer:
Step-by-step explanation:
340/25 = 13.6 = 13 hours and 10 min
30 x 13.6 = 408 hours
25x+30y= 340 and y=2x can be used to determine the number of hours cooper worked and the number of hours isaiah worked. Where x Isaiah 's working hours and y is cooper's working hours.
Step-by-step explanation:
Isaiah ironing rate per hour = 25 shirts
Cooper ironing rate per hour = 30 shirts
Total shirts pressed = 340
Let,
Isaiah´s number of hours = x
Cooper's number of hours = y
According to given statement;
25x+30y=340 Eqn 1
Hudson worked twice many hours as grace.
y = 2x Eqn 2
Keywords: linear equations, variables
Learn more about variables at:
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