Math, asked by nehakarn47, 5 months ago

Long Question Answer. (Marks: 5)
Show that: tan 70º--tan 20° = 2tan 50°
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Answered by lisapal777
0

Answer:

25 degree

Step-by-step explanation:

tan 70 degree - tan 20 degree = 2 tan 50 degree

tan (90 - 70) - tan 20 degree = 2 tan 50 degree

tan 20 degree - tan 20 degree = 2 tan 50 degree

0 degree = 2 tan 50 degree

2 tan 50 degree = 0

tan = 50/2

tan = 25 degree

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