Trigonometric Half Angle Identities

Question 1

Which of these expressions is the simplified form of the expression ?

Revolt · Accepted Answer

StartFraction 1 Over 1 + cosine (x) EndFraction

Question 2

The third line of this proof is known as the [___]. identity of cosine. The justification for the fourth line is [___].

Revolt · Accepted Answer

power reducing; The third line of this proof is known as the . identity of cosine. The justification for the fourth line is .: power reducing; The third line of this proof is known as the . identity of cosine. The justification for the fourth line is .: substitution

Question 3

cancelation ✔ substitutioncombination

Revolt · Accepted Answer

substitution

Question 4

♦: [___]

Revolt · Accepted Answer

Tangent half-angle identity; ♦:: Tangent half-angle identity; ♣:: 1 + cos x; ◼:: 1 - cos x

Question 5

cos x ✔ 1 + cos x1 - cos x

Question 6

cos x 1 + cos x ✔ 1 - cos x

Revolt · Accepted Answer

1 - cos x

Question 7

What are the solutions on the interval 0° ≤ x < 360°?

Revolt · Accepted Answer

120; 180

Question 8

Question 171927

Revolt · Accepted Answer

180

Trigonometric Half Angle Identities Answers

More from this Course

TRY EDGENUITY HACKS