The events 'select a plain pencil' and 'select a color pencil' are independent. therefore the probability of both occurring is the product of their probabilities:
The answer is 3/20 or 0.15.
The answer is 3/20 or 0.15.
Which of these can not form a perpendicular bisector?v PLZ HALLLLPPPP
2 answers:
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Answer:
(√1 - a²)
Step-by-step explanation:
cos(sin⁻¹ a) = cos x°
sin x° = sin (sin⁻¹ a) = a
as shown in the attached picture
sin x° = a/1 cos x° = (√1 - a²) / 1 = (√1 - a²)
