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iVinArrow [24]
3 years ago
12

sin x = -1/2, and the cos y = √3/2. if angle x is in the fourth quadrant and angle y is in the first quadrant, the value of cos(

x-y) is
Mathematics
2 answers:
Gnom [1K]3 years ago
7 0
X is 11pi/6 and y is pi/6. So cos(10pi/6) = cos(5pi/3)=1/2. 1/2 is the answer
skad [1K]3 years ago
5 0

Answer:

More info

Step-by-step explanation:

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We take each number as x = 2x 3x 4x 
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Step-by-step explanation:

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