This question is asking "Where does cosine equal

?"
Based on our unit circle values and the domain of the cos^{-1} function, we see that at 30 degrees, or

, cosine is equal to

.
Answer:
v
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
represents the amount of fabric Susanna needed.
Step-by-step explanation:
Given,
Remaining fabric = 
Fabric Susanna needs = 
Fabric Susanna needs = 
Fabric Susanna needs = 
represents the amount of fabric Susanna needed.
Keywords: fraction, multiplication
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Answer: Probability that a shopper buys shoes and a book is 0.02.
Step-by-step explanation:
Since we have given that
Event A : Buying a pair of shoes
Event B: Buying a book
Since A and B are independent events.
Probability that a shopper buys shoes i.e.
P(A) = 0.20
Probability that a shopper buys a book i.e.
P(B)=0.10
So, we need to find the probability that a shopper buys shoes and a book is given by

Hence, Probability that a shopper buys shoes and a book is 0.02.