Which equations is true? choose all answers that are correct. click to see answers and angle
2 answers:
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<h2>Hello!</h2>
The answer is: True.
<h2>Why?</h2>A counterexample is a way that we can prove that something is not true about a mathematical expression or equation, it could be considered as an exception to a rule, so to check if the answer is true or false, we must prove that a counterexample of the given expression is 0°, so:
The given expression is:
Then,
We can see that the equation is not fulfilled, so 0° is a counterexample of and the answer is true.
Have a nice day!