Answer:
cos13°
Step-by-step explanation:
Using the cofunction identity
sinx° = cos(90 - x)°
sin77° = cos(90 - 77)° = cos13°
The y intercept and the gradient
Answer:
The answer is 22 cards are left in the stack.
Step-by-step explanation:
Answer: 60°
Step-by-step explanation: A straight angle is 180°
180°- 120° = 60°
Answer:
-72 X + 14
Step-by-step explanation:
