4 years ago

What is the value for x ?

Mathematics

1 answer:

CaHeK987 [17]4 years ago

3 0

$\cos x=\sin(90^\circ-x)=\sin 64^\circ$ , thus
$90^\circ-x=64^\circ$
$90^\circ-64^\circ=x$
$\boxed{x=26^\circ}$

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