Cosine
Cosine and sine theorem:
Calculate all unknown values (sides and angles) of the triangle ABC.
a = 20 cm; b = 15 cm; γ = 90°; c =? cm; α =? °; β =? °
Calculate all unknown values (sides and angles) of the triangle ABC.
a = 20 cm; b = 15 cm; γ = 90°; c =? cm; α =? °; β =? °
Correct answer:

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Do you want to convert time units like minutes to seconds?
Cosine rule uses trigonometric SAS triangle calculator.
See also our trigonometric triangle calculator.
Try conversion angle units angle degrees, minutes, seconds, radians, grads.
You need to know the following knowledge to solve this word math problem:
algebraarithmeticplanimetricsgoniometry and trigonometryUnits of physical quantitiesGrade of the word problem
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