A bowl contains candies of the same size in three flavors orange strawberry and pineapple. If the probability of randomly pullin
g out an orange candy is 1/9, and the probability of randomly pulling out a strawberry candy is 2/9, what is the probability of randomly pulling out a pineapple candy?
1 answer:
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Answer:
Step-by-step explanation:
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Answer:
see explanation
Step-by-step explanation:
Using the trigonometric identity
sin²x + cos²x = 1 , then
sin²x = 1 - cos²x and cos²x = 1 - sin²x
Consider the left side
← expand numerator/denominator using FOIL
=
=
=
=
= cot²A = right side , thus proven