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15 votes
Question 12 of 40 Given right triangle ABC, which of the following statements must be true? Check all that apply. A C A. sin C = cos(90° - C) B. ZA and ZC are complementary C. sinC = cos(A-90°) D. sinC = cos(90° - A)​

Question 12 of 40 Given right triangle ABC, which of the following statements must-example-1
User Farrukh Subhani
by
3.3k points

2 Answers

19 votes
19 votes

  • sinC=AB/AC
  • cosA=AB/AC
  • sinC=cos(90-C)=cosA

Angles are complementary

  • Option B and A are correct
User Joeblubaugh
by
2.8k points
10 votes
10 votes

Answer:

A and C are complementarty

sinC=cos90-C

Explanation:

Just took the exam on a pex

good luck homedawg

User Fuad Malikov
by
3.7k points
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