Use identities to find the indicated value for each angle measure.sin ? = 
, tan ? < 0
Find sin(2?).
A. 
B. 
C. - 
D. 
Answer: B
Mathematics
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Find the equation for the plane tangent to the parametrized surface S at the point P.S is the sphere r(?, ?) = 10 cos ? sin ?i + 10 sin ? sin ?j + 10 cos ?k; P is the point corresponding to 
.
What will be an ideal response?
Mathematics
Use the information given in the table to solve the problem.The table gives the Consumer Price Index for selected years.
What is the percent change (to the nearest tenth of a percent) in prices from 1960 to 1975?
A. 122.8 % B. 114 % C. 112.8 % D. 117 %
Mathematics
Solve the problem.How many ways can a committee of 4 be selected from a club with 12 members?
A. 495 B. 248 C. 24 D. 11,880
Mathematics
Answer the question or solve the problem.If a < b, is it always true that 
> 
? Explain.
What will be an ideal response?
Mathematics