Verify the identity.cot 2 x + csc 2 x = 2 csc 2 x - 1
What will be an ideal response?
cot 2 x + csc 2 x = csc 2 x - 1 + csc 2 x = 2 csc 2 x - 1.
Mathematics
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Solve the formula for the given variable.V = lwh for w
A. w = Vlh
B. w = 
C. w = 
D. w = 
Mathematics
PO = 125 W and Pin = 2.3 W. Find AP.
a. 34.7 dB b. 27.2 dB c. 19.2 dB d. 18.8 dB e. 17.4 dB
Mathematics
Find the area of the circle. Use 3.14 or 
for ? as indicated.Use 3.14 for ?.
A. 102.0186 mi2 B. 17.898 mi2 C. 35.796 mi2 D. 25.50465 mi2
Mathematics
Factor the polynomial f(x). Then solve the equation f(x) = 0.f(x) = x4 + 2x3 - 19x2 - 8x + 60
A. (x - 2)(x + 2)(x + 3)(x - 5); -2, 2, 3, -5 B. (x - 2)(x + 2)(x - 3)(x - 5); 2, -2, 3, 5 C. (x - 2)(x + 2)(x - 3)(x + 5); -2, 2, -3, 5 D. (x - 2)(x + 2)(x - 3)(x + 5); 2, -2, 3, -5
Mathematics