Verify the identity.(1 + tan2 ?)(1 - sin2 ?) = 1
What will be an ideal response?
(1 + tan2 ?)(1 - sin2 ?) = sec2 ? ? cos2 ? = 
? cos2 ? = 1
Mathematics
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Solve.A rectangular plot has area 126 yd2 with a perimeter of 
What is the length of the longest side?
A. 14 yd B. 13 yd C. 12 yd D. 16 yd
Mathematics
Use the given matrices to compute the given expression.Let A =
and B =
. Find 3A + B.
A. 
B. 
C. 
D. 
Mathematics
Simplify, if possible.
A. 
B. 
C. x + 5
D. 
Mathematics
Solve the problem by solving a system of equations graphically.The sum of two numbers is 9 and their difference is 1. Find the numbers.
A. 5, 4 B. 9, 0 C. 6, 5 D. 6, 4
Mathematics