Monomath – CBSE | GSEB | IB | JEE Maths by Ajay Yadav (Math King of Katargam) – 15+ Years Experience. Study Notes, Video Lessons, Formula Sheets & PYQs.
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Trigonometry

Board: JEE Class: JEE

Chapter Overview

Trigonometric functions and graphs. Compound, double, triple, half-angle formulas. Sum-to-product and product-to-sum identites. Trigonometric equations and general solutions. Inverse trigonometric functions and their properties. Solutions of triangles: sine and cosine rules, bearing and height-distance. Properties of triangles: Pedal triangle, excentral triangle.

Topics Covered

  • Trig Functions and Graphs
  • Compound Angles
  • Multiple and Submultiple Angles
  • Trig Identities
  • Trig Equations
  • Inverse Trig Functions
  • Solutions of Triangles
  • Properties of Triangles

Key Formulas

sin(A+B) = sinA cosB + cosA sinB
sin 3A = 3 sinA - 4 sin3 A
cos 3A = 4 cos3 A - 3 cosA
sin C + sin D = 2 sin((C+D)/2) cos((C-D)/2)

Real-World Applications

Applications: JEE problem solving, physics (waves, oscillations), navigation.

Study Tips

Tip: Master compound angle formulas first
Tip: Practice inverse trig ranges
Tip: Learn triangle properties

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