Question
The expression is the right side of the formula for cos (A - B) with certain values for A and B. cos( /12) cos( /12)
The expression is the right side of the formula for cos(A - B) with certain values for A and B.
cos(/12) cos( /12) + sin (/12)sin ( /12)
a) The value of A is:
b) The value of B is:
c) Write the expression as the cosine of an angle: cos( ? )degrees
d) What is the exact value of the expression
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College Algebra
Authors: Robert F Blitzer
7th Edition
013449492X, 9780134453262
