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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°​
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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°​

User Richard Muvirimi
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7.2k points

1 Answer

5 votes

Answer:

Explanation:

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

User Kishor Patidar
by
7.5k points
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