Find the exact value of the expression. Do not use a calculator.1 - tan2 80° + csc2 10°
A. 2
B. 1
C. 0
D. -1
Answer: A
Mathematics
You might also like to view...
Find the equation of the ellipse satisfying the given conditions. The center is at the origin.Vertex (5, 0), focus (4, 0)
A. 9x2 + 25y2 = 225 B. 9x2 - 25y2 = 9 C. 9x2 + 25y2 = 25 D. 25x2 + 9y2 = 225
Mathematics
Divide and simplify.
÷ 
A. - 
B. - 
C. - 
D. - 
Mathematics
Is the ordered pair a solution of the given system of equations?(5, -2), 
A. Yes B. No
Mathematics
Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = 5x5 
A. 
B. 
C. 
D. 
Mathematics