Question

if sinA = 4/5 then what is fhe value of 1-2(sin square) A​

Answer 1

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

Answer 2

Answer:

Step-by-step explanation:

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