Which of the following have a frequency factor of b = 1? •a sine function whose period is 2TT radians
•a sine function whose x-coefficient is 21
•a cosine function with no phase shift whose x-coefficient is 1
•a sine function whose graph shows 2 cycles from - 4n radians to 0
OO
•a sine function whose graph shows 2 cycles from 0 to 2n radians
a cosine function whose graph shows 4 cycles from 0 to 47 radians
a cosine function whose graph shows 1 cycle from 37c radians to 5a radians

-2x-4

step-by-step explanation:

answer:   the paragraph proof is mentioned below.

step-by-step explanation:

given: in a δxwy where

such that, ∠wzx ≅ ∠yzx and zw≅zy

we have to prove that: segment zx is a perpendicular bisector of segment wy.

prove: since, zw≅zy ⇒ ∠wzy is a supplementary angle.

then, ∠wzy= 180°

⇒∠wzx + ∠yzx = 180° ( because xz divides ∠wzy into two parts)

but, ∠wzx ≅ ∠yzx ( given)

⇒∠wzy+∠wzy=180° ( by substitution)

⇒2∠wzy=180°

⇒∠wzy=90°

⇒∠wzy=∠yzx =90°

therefore, xz⊥wy where wz=zy

⇒zx is a perpendicular bisector of wy.

the answer is d

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answer: correct

step-by-step explanation: