Question

pls solve this question it's an immergency​

Answer 1

Answer:

$8$

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Step-by-step explanation:

given:

$5 \cos(80) \csc(10) \\ + 3 \sin(59) \sec(31) \\ = 5 \cos(80) \csc(90 - 80) \\ + 3 \sin(59) \sec(90 - 59) \\ = 5 \cos(80) \sec(80) \\ + 3 \sin(59) \csc(59) \\ = 5 \times 1 \times 1 + 3 \times 1 \times 1 \\ = 5 + 3 = 8$