Respuesta :

mpanderla95
To solve this question, first find the value of theta.

Sin(theta) = 0.3
Theta = sin^-1(0.3)
Theta = 17. 457 degrees.

Pi = 180 degrees.

Sin(17.457+180) = sin(197.457) = -0.3.
HomertheGenius
Additional formula:
sin ( theta + π ) = sin(theta) · cos π + cos (theta ) · sin π =
= 0.3 · ( - 1 ) + cos ( theta ) · 0 = - 0.3

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