Prove the identity.cos2
= 
What will be an ideal response?
cos2 ![]() ![]() | Using the half-angle identity |

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Mathematics
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Solve the differential equation.x2 = 8y
A. y = Ce- 8/x
B. y = Ce8/x
C. y = Ce- 8x
D. y = - + C
Mathematics
Determine whether the vectors and
are equivalent.A(-8, -9), B(-5, -16), C(0, 0), and D(3, -25)
A. Not equivalent B. Equivalent
Mathematics
Solve.Which of the pairs of numbers whose sum is 88 has the largest product?
A. 36 and 52 B. 34 and 54 C. 43 and 45 D. 44 and 44
Mathematics
Rewrite the series using summation notation. Use 1 as the lower limit of summation.6 + +
+ . . . +
A.
B.
C.
D.
Mathematics