Solve the problem.The matrix 
rotates a point 45° clockwise about the origin, and the matrix 
rotates a point 30° counterclockwise about the origin. Use these matrices to find the coordinates of the new location of the point 
when it is rotated 15° clockwise about the origin.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the indicated trigonometric function, given that ? is an angle in standard position with the terminal side passing through the given point.(15, 20); Find csc ?.
A. 
B. 
C. 
D. 
Mathematics
Find the acute angle A. Leave answer in decimal degrees rounded to seven decimal places, if necessary.csc A = 1.5077684
A. 48.4531810° B. 56.4463957° C. 33.5536043° D. 41.5468190°
Mathematics
Establish the identity.sin
= 
(cos x + sin x)
What will be an ideal response?
Mathematics
Find the axis, domain, and range of the parabola.x = - 
y2 + 2y - 1
A. axis: y = 3 domain: (-?, ?) range: [3, ?) B. axis: y = 4 domain: (-?, 3] range: (-?, ?) C. axis: y = 3 domain: (-?, ?) range: (-?, 3] D. axis: y = 4 domain: [3, ?) range: (-?, ?)
Mathematics