Question #c5319

1 Answer

Nov 18, 2017

#76^@72; 346^@72#

Explanation:

tan 2y = - 0.5
Calculator and unit circle give -->
#2y = - 26^@56# and #2y = -26.56 + 180 = 153^@44#

a. 2y = - 26.56 --> #y = - 13^@28#,
or #y = 360 - 13.28 = 346^@72# (co- terminal)
b. 2y = 153.44 --> #y = 76^@72#
Answers for (0, 360)
#76^@72; 346^@72#

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Question #c5319

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