What is the relationship between the sine and cosine of complementary angles?

In 1900, there were 76,803,887 people in the United States. How many more people were there in the United States 100 years after 1900?

Is the sequence 3, 12, 36, ... a geometric sequence? explain. type your answer below.

Which of the following could be the measures of the three angles of an acute triangle? ... A ... 40°, 40°, 100° ... B ... 30°, 60°, 90° ... C ... 50°, 55°, 75° ... D ... 30°, 30°, 120°

Analyze this number: 7,568.955 Write a number that has a 9 in that is 1/10 the value of the 9 in the number and an 8 that is 10 times the value of the 8 in the number. prove how you know your number meets the requirements.

A restaurant has reserved seats for smokers and non smokers in a 1:12 ratio if there are only 10 seats for smokers how many are reserved for non smokers

What is the value of m in the equation m-żn = 16, when n=8? 0 20 932 44 48

Which of the following are square roots of the number below? Check all that apply. 25 A. 20 B. - 25 1/2 C. 16 D. - 5 E. 5 F. 25 1/2

Assuming that no questions are left unanswered, in how many ways can a nine - question true-false quiz be answered?

Estimate the quotient 467.6 divided by 8

Is 0.4 bigger or 1/2 can u explain this to me