Trigonometry

Find the following quotient, and write the quotient in rectangular form, using exact values. Angles are in degrees √3(cos 315 + i sin 315)/√6(cos 45 + i sin 45) Which is the correct answer? - √2/2 - √2i/2 √2/2 + √2i/2 - √2i/2 √2/2

Trigonometry

Solve the equation for x and y. 3x + yi = 7 - 11i Which is the correct answer? x = 3, y = -11 x = 7, y = -11 x = 3/7, y = -11 x = 7/3, y = -11

Trigonometry

Write the complex number in trigonometric form r(cos θ + i sin θ ), with θ in the interval [0°, 360°). 2√3 - 2i Which is the correct answer? 4( cos 30° + i sin 30°) 4( cos 330° + i sin 330°) 4( cos 60° + i sin 60°) 4( cos 300° + i sin 300°)

Trigonometry

Simplify the radicand. i√-19 Which is the correct answer? √19 -√19 i√19 -i√19

TRIG

A LENGHT OF ROPE IS 168 FEET LONG AND THE ROPE STRECHES FROM A BOLT IN THE FLOOR TO THE PEAK OF 87 FOOT RADIO TOWER. WHAT IS THE DISTANCE FROM THE FLOOR AT THE RADIO TOWER BASE TO THE BOLT? WHAT ANGLE DOES THE ROPE MAKE WITH THE FLOOR?