Are all examples of imperial units, possibly
Answer:
A
Step-by-step explanation:
Using the co function identity
sin x = cos(90 - x) = cos(90 - 30) = cos60° ← x = 30°, thus
sin30° = cos60°
Answer:
I think the answer is -25
Step-by-step explanation:
Yes, for fractions you can multiply the denominator by the numerator. For square roots you can use the square root button.