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OpenStudy (aaronandyson):
12 tan A - 5 = 0. Find the value of sin A + cos A.
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OpenStudy (aaronandyson):
@butterflydreamer
OpenStudy (butterflydreamer):
first solve for tan A.
OpenStudy (aaronandyson):
5/12?
OpenStudy (butterflydreamer):
yepp and we know that Tan A = Sin A / Cos A = 5 / 12
OpenStudy (aaronandyson):
so sin A + cos A = 5/12?
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OpenStudy (welshfella):
or you can use the right-angled triangle |dw:1424955520188:dw|
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