Trigonometric Sum Identities

Question 1

What is the exact value of sin 165⁰?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/fa9724a5101c152c01ad208b043c287f.png

Question 2

23✔ 1

Revolt · Accepted Answer

1

Question 3

What is the exact value of ?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/0c8cc300dc1b42c01a95d6df2566cee5.png

Question 4

What is the exact value of sin 170⁰ cos 55⁰ + cos 170⁰ sin 55⁰?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/9579c63c36f4fafc51c40242b9f9bafb.png

Question 5

00.5✔ 1

Revolt · Accepted Answer

1; Selection 1: 1; Selection 2: 0.5; Selection 3: 0

Question 6

1✔ 0.50

Revolt · Accepted Answer

0.5

Question 7

0.5 ✔ 01

Revolt · Accepted Answer

0

Question 8

A:

Revolt · Accepted Answer

cos x

Question 9

✔ cos ycos xtan ysin x

Revolt · Accepted Answer

cos y

Question 10

cos yX cos x✔ tan ysin x

Revolt · Accepted Answer

tan y

Trigonometric Sum Identities Answers