Introduction To Trigonometry
NIOS · Class 10 · Maths
All formulas from Introduction To Trigonometry in NIOS Class 10 Maths. Key equations, constants, and identities for board exam preparation.
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Six Trigonometric Ratios
sin θ = BC/AC
cos θ = AB/AC
tan θ = BC/AB
cosec θ = AC/BC
sec θ = AC/AB
Finding Ratios from Two Sides
Pythagoras Theorem: third side is found from the other two sides
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