Answer:
Θ = 50°
Step-by-step explanation:
Using the cofunction identity
cosx = sin(90 - x)
Given
cos40° = sin(90 - 40)° = sin50° ⇒ Θ = 50°
Answer:
Ѳ = 50
Step-by-step explanation:
Sin Ѳ = cos 40
[tex]Ѳ = \sin ^{ - 1} ( \cos(40) ) [/tex]
Simplify
[tex]Ѳ = sin^{ - 1} (0.7660444431) \\Ѳ = 50[/tex]
