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IKMC 2007 - Grades 11-12 - Self-study Question 4

IKMC · IKMC 2007 - Grades 11-12 - Self-study

Question 4

Calculate $\dfrac{\sin1^\circ}{\cos89^\circ}$.
  1. 0
  2. $\tan1^\circ$
  3. $\cot1^\circ$
  4. $\frac1{89}$
  5. 1