Math, asked by kumavatyogita0, 5 hours ago

17. If sin A =4/5, then 1-2sin²A =

Please answer fast

Answers

Answered by s18157

0

Answer:

hope this might help

sinA=4/5. [given]

sin^2=16/25

ATQ,

1-2sin^2=(1-2*16)/25

=(25-32)/25

=-7/25. Ans

Step-by-step explanation:

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