Complete the equation so the result is an identity. 1 -  = sin2x

A. cos2x
B. cot2x
C. sec2x
D. tan2x


Answer: A

Mathematics

You might also like to view...

Write the statement as an equation.Twice the number of hockey goals scored (S) is the total number of goals attempted (A).

A. A = 2S B. A = S ÷ 2 C. 2A = S D. S ? A = 2

Mathematics

Solve.A young married couple had a combined annual income of $64,000. If the wife made $6000 more than the husband, write these relationships as a system of equations. Let x represent the husband's income and let y represent the wife's income.

A. x + y = 64,000 y = 6000 B. x - y = 64,000 y = x + 6000 C. x + y = 64,000 y = x + 6000 D. x + y = 6000 y = x + 64,000

Mathematics

Find a and b.If 1 < x < 6, then a < 8x + 5 < b.

A. a = 6, b = 11 B. a = 13, b = 53 C. a = 14, b = 19 D. a = 3, b = 43

Mathematics

Convert the rectangular equation to polar form.x = 2

A. = 
B. cos ? = 2
C. = 2
D. = 

Mathematics