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State whether the following are true or false. Justify your answer. cot A is not defined for A = 0° - Mathematics

MCQ
True or False

State whether the following are true or false. Justify your answer.

cot A is not defined for A = 0°

Options

  • True

  • False

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Solution

cot A is not defined for A = 0°

As,

`cot A = cos A/sin A`

`cot 0^@ = (cos 0^@)/sin 0^@  = 1/0  = `

Hence, the given statement is true.

  Is there an error in this question or solution?
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APPEARS IN

NCERT Class 10 Maths
Chapter 8 Introduction to Trigonometry
Exercise 8.2 | Q 4.5 | Page 187
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