Short Answer
Use a cofunction identity to write an equivalent expression.
cos 13°
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q9: Find all real solutions. Answer in the
Q10: Use the following to answer questions
Q11: Evaluate using a calculator, keeping in mind
Q12: Use the following to answer questions
Q13: Solve using an identity. State all
Q15: Use the following to answer questions
Q16: Verify the equation is an identity using
Q17: Find the exact value. sin 190° cos
Q18: Solve the equation in [0, 2π) using
Q19: Solve by factoring. State all real solutions