Establish the identity.(sin x)(tan x cos x - cot x cos x) = 1 - 2 cos 2 x
What will be an ideal response?
(sin x)(tan x cos x + cot x cos x) = sin x 
= sin 2 x - cos 2 x 
= 1 - 2 cos 2 x.
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Translate the equation into a sentence by using the phrase "varies directly" or "varies inversely". x = kb2
A. x varies directly as the square root of b. B. x varies inversely as the square of b. C. x varies inversely as the square root of b. D. x varies directly as the square of b.
Convert the given unit of measure to its base unit - meters, grams, or liters.49.34 mg
A. 49,340 g B. 0.04934 g C. 4934 g D. 0.4934 g
Solve the problem.The year y when sales were s million dollars for a particular electronics company can be modeled by the radical equation y = 1.4
- 5, where y = 1 represents 2001, and so on. Use the model to predict the sales for 2006 to the nearest tenth of a million.
A. $66.2 million B. $64.7 million C. $67.7 million D. $63.2 million
Provide an appropriate response.Explain why the sum of the coefficients in the expansion of 
is zero. Give an example.
What will be an ideal response?