Sin h x -34- find cos h 2x and sin h2x -

∵sinh x= 3 4 where, p=3 and h=4 ∴ b=√( 4 ^ 2 3 ^ 2 ) =√( 7 ) hence, cosh x= b h =√( 7 ) #160; 4 ∴cosh(2x)=1 2sinh^ 2 x=1 ...

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Sin(A+B)Sin(A-B)

sin h x =34, ...

Question

$sin h x = \frac{3}{4},$ find $cos h (2 x)$ and $sin h (2 x)$ ?

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