Use sum-to-product identities to rewrite the expression as a product.sin 43° - sin 27°
A. 2 cos 35° cos 8°
B. -2 sin 35° sin 8°
C. 2 cos 35° sin 8°
D. 2 sin 35° cos 8°
Answer: C
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The pair of triangles is similar. Find the missing length.
A. 24 B. 6 C. 18 D. 20
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.(x + 4)(x + 1) = 28
A. {-4, -1} B. {1, 4} C. {-3, 8} D. {-8, 3}
Find the indicated roots. Write the answer in trigonometric form.Cube roots of 125(cos 288° + i sin 288°)
A. 5(cos 96° + i sin 96°), 5(cos 216° + i sin 216°), 5(cos 336° + i sin 336°) B. 5(cos 186° + i sin 186°), 5(cos 246° + i sin 246°), 5(cos 126° + i sin 126°) C. 5(cos 96° + i sin 96°), 5(cos 216° + i sin 216°), 5(cos 216° + i sin 216°) D. 5(cos 96° + i sin 96°), 5(cos 156° + i sin 156°), 5(cos 36° + i sin 36°)