Mathematics: Prove the following identity : sin α . cos α . tan α = (1 – cos α) (1 + cos α)

Prove the following identity : sin α . cos α .

Ответ:

jesus319

01.01.2022

Question
Sin α . Cos α . Tan α = (1 – Cos α) (1 + Cos α)

Answer
Left side = Sin β . Tan β + Cos β
      = Sin β . Sin β / Cos β + Cos β
      = Sin² β / Cos β + Cos² β / Cos β
     = 1 / Cos β = Sec β = Right side proven

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Ответ:

maria5633

13.07.2020

Mathematics

Step-by-step explanation:

2x+54=180

2x=180-54

2x=126

divide each side by two u will get x

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Prove the following identity :
sin α . cos α .
tan α = (1 – cos
α) (1 + cos
α)

Ответ:

Ответ:

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