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If cos theta is -5/13 and sin θ < 0, what is tan θ ?
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If cos theta is -5/13 and sin θ < 0, what is tan θ ?
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Feb 18, 2018
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If cos theta is -5/13 and sin θ < 0, what is tan θ ?
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Maurits
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take the right angled triangle with sides 13, 12 and 5. sine theta will be 12/13
When sin theta < 0 and cos theta < 0 we are in the third quadrant so sin theta will be -12/13
tan theta = sin theta / cos theta = -5/13 / -12/13 = -5*13 / -12*13 = 5/12
RememberME
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Feb 24, 2018
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