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12 votes
Picture attached below

Picture attached below-example-1

1 Answer

10 votes

Answer:

b

Explanation:

Using the trigonometric identity

secx =
(1)/(cosx) and cos60° =
(1)/(2)

Given

sec [
sin^(-1)
(√(3) )/(2) ] ← evaluate bracket

= sec60°

=
(1)/(cos60)

=
(1)/((1)/(2) )

= 2 → b

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