Use the related acute angle to state an equivalent expression: a) tan 110 degrees b)sin 350 degrees

Question

Question

Use the related acute angle to state an equivalent expression:
a) tan 110 degrees
b)sin 350 degrees

Answer 1

Answer #1

a) tan 110 degrees = tan 110-180=
tan-70
b)sin 350 degrees = sin 350-360
= sin-10 degrees

answered by: Henry P

Answer 2

Answer #2

The more standard practise is to state the equivalent angle in terms of a positive acute angle.
So ...

tan 110° = -tan 70°
sin 350° = -sin 10°

answered by: HELP! :)

Answer 3

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