The question is related to trigonometry and we have to use the formula of double angle .
Here we use double angle formula of tangent function which is
Given expression is
Comparing it with double angle formula, we will get x = 5
SO the required expression is equal to
So the answer is tan(10) .
Answer:
it is c
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y=12x 12=k k=constant of Proportionality
Step-by-step explanation:
It's D. (1,-2)