valeriaportillow703q
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  • 12-07-2020
  • Mathematics
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CAN SUM1 HELP ME OUT PLS

CAN SUM1 HELP ME OUT PLS class=

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hoodini2 hoodini2
  • 12-07-2020
Use the Sine Rule where

a/sin(A) = b/sin(B)

36/sin(50) = 20/sin(B)

Flip both sides

Sin(50)/36 = sin(B)/20

Multiply by 20

20Sin(50)/36 = sin(B)

Inverse sin

Sin^-1(20sin(50)/36) = B = 25 degrees ~
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