Math, asked by arunganeshmsb, 1 month ago

If sin² = 1\5 then 1 - cos²
- =

Answers

Answered by ankitasahoo2004

2

Answer:

1/5

Step-by-step explanation: sin²Ф + cos²Ф= 1

⇒sin²Ф = 1 - cos²Ф

so, if sin²Ф=1/5

1-cos²Ф is also equal to 1/5

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