Asked by Anonymous
Does 1 - (tan 25 degs)(tan 110 degs) equal 1? If so, how?
Answers
Answered by
Steve
of course not.
If 1-u = 1, then u=0. Unless one of those tan values is zero, the assertion is false.
If 1-u = 1, then u=0. Unless one of those tan values is zero, the assertion is false.
Answered by
Rune
The tangent of 25 degrees is in quadrant I, this means that the tangent is going to have a positive value. The tangent of 110 degrees is in quadrant II and will have a negative value. If you multiply a negative by a positive, the end product is a negative.
1- (said negative #) =
1+(the number)=
Therefore the sides are not equal.
Verdict: False; cannot be equal to 1.
1- (said negative #) =
1+(the number)=
Therefore the sides are not equal.
Verdict: False; cannot be equal to 1.
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