Spot the false statement

Exercise and reference answers

Questions

1. False statement

   The range of sine runs beyond one

   Statements

   1. An anticlockwise turn is a positive angle
   2. The range of sine runs beyond one
   3. Sine is defined for every real number

2. False statement

   Radian and degree cannot be converted

   Statements

   1. A radian uses an arc of one unit
   2. A degree is one part in three sixty
   3. Radian and degree cannot be converted

3. False statement

   Cosine is undefined at zero

   Statements

   1. Cosine is undefined at zero
   2. The point of rotation is the vertex
   3. Trigonometry began with triangle problems

4. False statement

   Tangent is defined for all reals

   Statements

   1. Sine and cosine repeat as x grows
   2. Tangent is defined for all reals
   3. Cosine ranges from minus one to one

Instructions

Two statements are true and one is false. Tap the false one.

Explanation