Find the exact value of sin(x + y) given that sec x = 3/2, csc y = 3, and x and y are in quadrant I.
What will be an ideal response?
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Mathematics
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For the given polar equation, write an equivalent rectangular equation.r cos ? = 13
A. y = 13 B. 13y = 1 C. 13x = 1 D. x = 13
Mathematics
Write the number in trigonometric form. Let 0° ? ? < 360°.-4 - 4i
A. 8(cos 290° + i sin 290°) B. 8(cos 240° + i sin 240°) C. 4(cos 240° + i sin 240°) D. 8(cos 180° + i sin 180°)
Mathematics
Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence with the given first term, a1, and common ratio, r.Find a4 when a1 = 6, r = -5.
A. -125 B. -750 C. 750 D. 3750
Mathematics
Perform the matrix row operation (or operations) and write the new matrix.
R1
A. 
B. 
C. 
D. 
Mathematics