Establish the identity.sin(4u) = 2 sin(2u) cos(2u)
What will be an ideal response?
sin(4u) = sin [2(2u)] = 2 sin(2u) cos(2u).
Mathematics
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Find the measure of the angles.
?A = (2p)°, ?B = p°
A. 30° and 60° B. 60° and 120° C. 17° and 34° D. 15° and 30°
Mathematics
Write the augmented matrix for the system. 2x + 6y + 2z = 18 7x - 2y + 6z = 82 8x + 9y + 6z = 79
A. 
B. 
C. 
D. 
Mathematics
Find all points where the function is discontinuous.
A. x = 1, x = 5 B. x = 4 C. None D. x = 1, x = 4, x = 5
Mathematics
Express the number in decimal notation.7 × 10-7
A. 0.0000007 B. -700,000 C. 0.00000007 D. 0.000007
Mathematics