hyderabadinformation
Calculators
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
hyderabadinformation
hyderabadinformation
Home
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
MATH SOLVE
Home
General
Question 8 (5 points)Simplify (tanx- secx) (tanx+ secx).1 -1sec^2xtan^2x0
4 months ago
Q:
Question 8 (5 points)Simplify (tanx- secx) (tanx+ secx).1 -1sec^2xtan^2x0
Accepted Solution
A:
Answer:-1.Step-by-step explanation: (tanx- secx) (tanx+ secx).= tan^2 x + tanx sec x- tanx sec x - sec^2x= tan^2 x - sec^2 x.But sec^2 x = 1 + tan^2 xso tan^2 x - sec^2 x = -1