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Use the compound angle formulae to find the following in surd form: tan 225°

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asked Feb 19, 2021 76.5k views

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Use the compound angle formulae to find the following in surd form: tan 225°

Mathematics
high-school

Bi Li asked

by Bi Li

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Answer:

On the trig unit circle,

tan 225 = tan (45 + 180) = tan 45 = 1

Afaq Ahmed Khan answered Feb 26, 2021

by Afaq Ahmed Khan

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If theta is 225°, how do you solve for sin, cos, tan? a) sin(225°) = -√2/2, cos(225°) = -√2/2, tan(225°) = 1 b) sin(225°) = -√2/2, cos(225°) = √2/2, tan(225°) = -1 c) sin(225°) = √2/2, cos(225°) = -√2/2,

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Use the compound angle formulae to find the following in surd form: tan 225°

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Use the compound angle formulae to find the following in surd form: tan 225°