ALEKS PPL Practice Test 15

10 free ALEKS PPL practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

ALEKS PPL Practice Test 15Tutor mode

Question 1 of 10

Trigonometry

Use a difference identity to find the exact value of $cos 1 5^{\circ}$ .

Type square roots with sqrt( ) and use parentheses, e.g. (sqrt(3)-1)/2.