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Simplify: 20sin 2ø sec2ø

1 Answer

2 votes

Answer:

20
\tan 2\phi

Explanation:

20 sin 2∅ sec 2∅

= 20
(\sin 2\phi)/(\cos 2\phi)

= 20
\tan 2\phi (answer)

since, we know that

sec(∅) =
(1)/(\cos \phi)

and
(\sin \phi)/(\cos \phi) = tan(∅)

User VonGohren
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