Personnnter1862 Personnnter1862
  • 07-06-2023
  • Mathematics
contestada

Suppose cosα= 3
−2
​
,sinα= 3
5
​
​
,cosβ= 2
3
​
​
, and sinβ= 2
−1
​
. Evaluate: cos(α−β) Select one: a. 6
−2 3
​
− 5
​
​
b. 6
2 3
​
+ 6
​
​
c. 6
− 3
​
+2 5
​
​
d. 6
2 3
​
− 6
​
​

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