Answer:
cos60°
Step-by-step explanation:
Using the cofunction identity
cos(90 - x) = sinx , then
sin30° = cos(90 - 30)° = cos60°
Answer:
7/4,
Step-by-step explanation:
it cant be simplified
Answer:
28
Step-by-step explanation:
2(7)(2) =28
All you need to do for this is remove the parenthese and your answer will be
because that's the furthest it can be simplified.