alliet324 alliet324

22-09-2022
Mathematics

Answered

The degree measure of an angle in a right triangle is A, and sinA = 1/3
Which of the following is also equal to ?
A) cosA
B) cos (A -45°)
C) cos(45 - A)
D) cos(60° - A)
E) cos(90° - A)

Answer :

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