in complementary angles is any angle may be negative?

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in complementary angles is any angle may be negative?

a+b=90 they are complementary
is 135-45 is meaningful complementary angles or not

2007-02-24 01:47:16 · 3 answers · asked by shimhum 1 in Science & Mathematics ➔ Mathematics

3 answers

Yes

Clockwise ratation gives a negative angle

library.thinkquest.org/C0110248/trigonometry/ratio_negative.htm

sparknotes.com/math/trigonometry/.../section2.rhtml

www.intmath.com/Trigonometric-functions/1_Angles.php

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2007-02-24 02:02:49 · answer #1 · answered by SAMUEL D 7 · 0⤊ 0⤋

In plane geometry, negative angles are not considered
In trigonometry,
a negative angle is meaningful >> [(+135) + (- 45)] = (+90)

2007-02-24 01:54:19 · answer #2 · answered by Sheen 4 · 0⤊ 0⤋

Yes any angle >90 deg has a negative complementary

2007-02-24 04:05:56 · answer #3 · answered by santmann2002 7 · 0⤊ 1⤋