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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