3 years ago

Sin(theta)+cos(theta)=0 what is theta? 20 points someone please help (A-Level pure maths)

Mathematics

1 answer:

Bumek [7]3 years ago

8 0

Answer:

sin(theta) + cos(theta) = 0

sin(theta) = -cos(theta)

sin(theta)/cos(theta) = -1

tan(theta) = -1

theta = - 45° ± k·180°

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