Answer:
B
Step-by-step explanation:
Since ∝ < β you can throw out answers C and D. Using the relationship of sine and cosine being complementary angles you can plug in the two smallest values. Out of those two for 13° you get sin18°=cos72° and 13°+72°=90°, meaning these two angles are complementary.
Answer: If the exponent on the power of ten is negative. you just move the decimal point to the right the same of places as the exponent to convert to standard nontation
Step-by-step explanation:
Answer:
USE CALCUKATOR LAAAAHHH!!!
Answer:
the first one
Step-by-step explanation: