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VikaD [51]
3 years ago
10

Find the exact value of tan5x/4

Mathematics
1 answer:
alexandr402 [8]3 years ago
7 0
To evaluate for tan 5x/4 we proceed as follows
5x/4
=5/4*150
=225
which is in quadrant III. 
This implies that the value of tan will be positive, hence:
tan 225=tan (270-225)
tan 225=tan 45
using right angle with length of the legs being unit, then 
tan 45=1
hence
tan 5x/4=1

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