Write the sine and cosine values of A, B, respectively, in the figure for (1) and (2) + explanation.
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Answer:
(1)
√(10^2 - 6^2) = 8
SIN(A) = COS(B) = 6/10
COS(A) = SIN(B) = 8/10
(2)
√(9^2 - 5^2) = 2·√14
SIN(A) = COS(B) = 2·√14 / 9 = 2/9·√14
COS(A) = SIN(B) = 5/9