Cosine
Cosine and sine theorem:
Calculate all missing values (sides and angles) of the triangle ABC.
a = 20 cm; b = 15 cm; γ = 90°; c =? cm; α =? °; β =? °
Calculate all missing 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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Try conversion angle units angle degrees, minutes, seconds, radians, grads.
You need to know the following knowledge to solve this word math problem:
- algebra
- expression of a variable from the formula
- arithmetic
- square root
- planimetrics
- Pythagorean theorem
- right triangle
- triangle
- The Law of Cosines
- The Law of Sines
- basic functions
- percentages
- physical quantity
- unit conversion
- time
- angle
- numbers
- fractions
- goniometry and trigonometry
- sine
- cosine
- arcsine
Level of the problem:
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