Unit Test Answers

Find the value of a.c.b.d.

Use Demoivres Theorem to find .a.1024ic.-1024b.-1024id.1024

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q?a.sin (a -b) = sin a cos b – cos a sin bb.cos (a -b) = cos a cos b – sin a sin bc.cos (a -b) = cos a cosb + sin a sin bd.sin (a + b) = sin a cos b + cos a sin b

Graph the following fnction on the interval .a.c.b.d.

Assume that and . Find the exact value of if and . a.c.b.d.

Given , find a numerical value of one trigonometric function of x.a.c.b.d.

Express the complex number (cos315° + i sin315°) in standard a + bi form. a. c. b. d. Please select the best answer from the choices provided

Simplify the expression.a.c.b.d.

Given that , , what is the exact value of ? a. c. b. d. Please select the best answer from the choices provided

Given and ; find .a.c.b.d.

Use a half-angle identity to find the exact value of .a.c.b.d.

Find cot x if sin x cot x csc x = .a.4b.c.1d.2

Use trigonometric identities to rewrite the equation . a. cot θ = 1 c. sin θ = 1 b. tan θ = 1 d. cos θ = 1 Please select the best answer from the choices provided

Find the quotient.a.2(cos 125° + i sin 125°)c.(cos + i sin )b.(cos 125° + i sin 125°)d.2(cos + i sin )

If and x terminates in the first quadrant, determine . a. c. b. d. Please select the best answer from the choices provided