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26-10-2021
Mathematics

contestada

which of the following statements are true for sin (-430°)

i. the basic angle, a lies in the second quadrant
Ii. sin (-430°) = +sin (430°)
III. sin (-430°) = sin (70°)
iv. a = 30°

Respuesta :

surjithayer10otahza surjithayer10otahza

31-10-2021

Answer:

Step-by-step explanation:

sin(-430)=-sin(430)=-sin(360+70)=-sin 70

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