The lengths of the sides of a triangle are given. Determine if the triangle is a right triangle. If it is, identify the hypotenuse.12, 16, 20
A. right triangle; 16
B. right triangle; 20
C. not a right triangle
D. right triangle; 12
Answer: B
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Find the curvature of the space curve.r(t) = -9i + (t + 2)j +(ln(cos t) + 9)k
A. ? = csc t B. ? = sec t C. ? = sin t D. ? = cos t
Provide an appropriate response.Explain why this sequence of steps is incorrect:log364?= log3
= log3(-8) + log3(-8)
What will be an ideal response?
Find all complex roots. Write the answer in polar form, with 0 ? ? ? 360°.Fifth roots of 1
A. cos 180° + i sin 180°, cos 36° + i sin 36°, cos 108° + i sin 108°, cos 252° + i sin 252°, cos 324° + i sin 324° B. cos 0° + i sin 0°, cos 72° + i sin 72°, cos 144° + i sin 144°, cos 216° + i sin 216°, cos 288° + i sin 288° C. cos 180° + i sin 180°, cos 72° + i sin 72°, cos 144° + i sin 144°, cos 216° + i sin 216°, cos 288° + i sin 288° D. cos 0° + i sin 0°, cos 36° + i sin 36°, cos 108° + i sin 108°, cos 252° + i sin 252°, cos 324° + i sin 324°
Evaluate the trigonometric function with the given value of ? by finding a coterminal angle in [0, 2?). Do not use a calculator.Find cos ?, ? = 
A. - 
B. - 
C. 
D. 