Math, asked by yashitakhan61, 3 months ago

If (1-tan square 60 degree) / (1+tan square 60 degree) = cos X . Then what is the value of X?

Answers

Answered by vibhuteshubham8308
1

Answer:

120

Step-by-step explanation:

1-3/1+3=-2/4

=-1/2

cosx=-1/2

therefore x=120

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