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Introduction of Trigonometry and its Application — Maths STD 10 — Question

CBSE BoardEnglish MediumSTD 10MathsIntroduction of Trigonometry and its Application1 Mark
Question
Write ‘True’ or ‘False’ and justify your answer.
The value of the expression (sin80º - cos80º) is negative.
✓

Answer

False.80º is near to 90º, sin90º = 1 and cos90º = 0
So, the given expression sin80º - cos80º > 0
So, the value of the given expression is posittive. So, the given statement is false.

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