Answer :
Answer:
60°
Step-by-step explanation:
Using the cofunction identity
sinx° = cos(90 - x)°, then
sin30° = cos(90 - 30)° = cos60°
Answer:
60°
Step-by-step explanation:
Using the cofunction identity
sinx° = cos(90 - x)°, then
sin30° = cos(90 - 30)° = cos60°