Math, asked by ashishkranshu5, 11 months ago

please solve it........​

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Answers

Answered by mansi3021
1

Answer:

tan(a+b)=tan a +tan b /1-tan a tan b

tan (1/3 + 1/2)= tan 1/3 +tan 1/2 /1- tan 1/3 tan 1/2

tan 39.80=18.43+26.56/-488.72

tan 39.80=44.99/-488.72

tan 39.80= -0.09

tan = 39.80/-0.09

tan = -442.22

     = tan -1(442)

     = 89.87

Step-by-step explanation:

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