Use the given information to find the exact value of the trigonometric function.sin ? = -
, ? lies in quadrant IV
Find cos
.
A. -
B.
C.
D. -
Answer: A
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Find the indicated derivative. Assume that x is restricted so that ln is defined. if y = ln
A. ln
B.
C.
D.
Determine if the statement is a proportion.I.
II.
A. I is a proportion, II is not a proportion. B. I is not a proportion, II is a proportion. C. I and II are both proportions. D. Neither I nor II are proportions.
Solve the equation.x = log5
A.
B. {10}
C.
D.
Secret messages can be encoded by using a code and an encoding matrix. If we have the code: and an encoding matrix: E =
, we can encode a message by taking every two letters of the message, converting them to their corresponding numbers, creating a
/> matrix, and then multiplying each two numbers by E. Use the code and encoding scheme above and an additional encoding matrix, F = , to answer the question.If the letters to be encoded are L =
, show that E(FL) = (EF)L.
What will be an ideal response?