Use the Half-angle Formulas to find the exact value of the trigonometric function. sin 22.5°

A. - 
B.
C.
D. - 


Answer: C

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Determine whether the given sequences are equal to each other.(k2 -9) and (k + 3)(k - 3)

A. equal B. not equal

Establish the identity.cos  = -sin x

What will be an ideal response?

An accounting student has just been introduced to present value analysis and comes to you with the following question, "How is present value used in the financial statements?" ? Required: ? Give the student examples of financial statement accounts that are stated at present value and explain the advantages of using present value for certain financial statement items.

What will be an ideal response?

Which approach builds on Piaget's ideas, and views cognition as composed of different types of individual skills, while integrating terminology from information-processing approaches?

A. neo-Piagetian B. parallel processing approach C. social-cognitive learning theory D. cognitive perspective