Which trigonometric functions are equivalent to sin (theta) ? Select all that apply. (2 correct answers)

a.) sin (-theta)

b.) sin (theta + 2pi)

c.) - sin (theta)

d.) - sin (-theta)

e.) sin (theta + pi/2)

Question

Mathematics

Amara Nicholson

8 April, 23:37

Which trigonometric functions are equivalent to sin (theta) ? Select all that apply. (2 correct answers)

a.) sin (-theta)

b.) sin (theta + 2pi)

c.) - sin (theta)

d.) - sin (-theta)

e.) sin (theta + pi/2)

+2

Answers (1)

Know the Answer?

Madilynn Hanson · Answer 1

sin (θ) = sin (θ + 2π) = - sin (-θ)

b and d

This can be shown by substituting a value for θ

sin (π : 3) = 1/2

sin (π : 3 + 2π) = 1/2

-sin (π : 3) = - 1/2

-sin (-π : 3) = 1/2

sin (π : 3 + π : 2) = √3/2

Which trigonometric functions are equivalent to sin (theta) ? Select all that apply. (2 correct answers)a.) sin (-theta)b.) sin (theta + 2pi)c.) - sin (theta)d.) - sin (-theta)e.) sin (theta + pi/2)

Which trigonometric functions are equivalent to sin (theta) ? Select all that apply. (2 correct answers)

a.) sin (-theta)

b.) sin (theta + 2pi)

c.) - sin (theta)

d.) - sin (-theta)

e.) sin (theta + pi/2)