cracamposol
Calculators
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
cracamposol
cracamposol
Home
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
MATH SOLVE
Home
General
How do I prove this equation? * this is a grade 11 math problem.
4 months ago
Q:
how do I prove this equation? * this is a grade 11 math problem.
Accepted Solution
A:
Answer:The answer to your question is belowStep-by-step explanation: [tex]\frac{tan^{2} x}{tan^{2} x + 1} = sin^{2} x[/tex][tex]\frac{\frac{sin^{2}x }{cos^{2} x} }{\frac{sin^{2}x }{cos^{2} x} + 1} = sin^{2}x\\[/tex] convert tanx to sinx/cos x[tex]\frac{\frac{sin^{2}x }{cos^{2} x} }{\frac{sin^{2}x + cos^{2} x }{cos^{2}x } } = sin^{2} x[/tex] simplify[tex]\frac{sin^{2} x}{sin^{2} x + cos^{2}x } = sin^{2} x[/tex] sin²x + cos²x = 1 Use identity of sinx and cosx sin²x = sin²x