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Mariulka [41]
3 years ago
13

If sin Ѳ = cos 40, find the value Ѳ

Mathematics
2 answers:
Jet001 [13]3 years ago
7 0

Answer:

Θ = 50°

Step-by-step explanation:

Using the cofunction identity

cosx = sin(90 - x)

Given

cos40° = sin(90 - 40)° = sin50° ⇒ Θ = 50°

Andrej [43]3 years ago
7 0

Answer:

Ѳ = 50

Step-by-step explanation:

Sin Ѳ = cos 40

Ѳ =  \sin ^{ - 1} ( \cos(40) )

Simplify

Ѳ =   sin^{ - 1} (0.7660444431) \\Ѳ = 50

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