So you would set angle y plus angle z equal to 90 degrees.
2b + 6 +3b - 1 = 90
5b + 5 = 90
5b = 85
b = 17
so for y 3(17)-1 = 50 degrees
so for z 2(17) + 6 = 40 degrees
angle y and w form a straight line equal to 180 degreew so w = 180 - 50 = 130 degrees which leaves x being 140 degrees
Answer:
The answer is A or D
Step-by-step explanation:
Answer:
a
Step-by-step explanation:
Answer:
3 sin(41t) - 3 sin(t)
Step-by-step explanation:
The general formula to convert the product of the form cos(a)sin(b) into sum is:
cos(a) sin(b) = 0.5 [ sin(a+b) - sin (a-b) ]
The given product is:
6 cos(21t) sin(20t) = 6 [ cos(21t) sin(20t) ]
Comparing the given product with general product mentioned above, we get:
a = 21t and b = 20t
Using these values in the formula we get:
6 cos(21t) sin(20t) = 6 x 0.5 [ sin(21t+20t) - sin(21t-20t)]
= 3 [sin(41t) - sin(t)]
= 3 sin(41t) - 3 sin(t)
Therefore, second option gives the correct answer
Answer:
573
Step-by-step explanation:
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