FlyingPig14
FlyingPig14 FlyingPig14
  • 03-02-2019
  • Mathematics
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Write the sine and cosine values ​​of A, B, respectively, in the figure for (1) and (2) + explanation.

Write the sine and cosine values of A B respectively in the figure for 1 and 2 explanation class=

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mathecoach
mathecoach mathecoach
  • 03-02-2019

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

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