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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

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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