Trigonometry
Mathematics — topic guides, questions, and exam chapters with this tag
Topic guide
Trigonometry — Formulas, Identities & Solved Problems
Master trigonometry: ratios, identities, equations, height and distance. CBSE Class 10-12, JEE Main, NEET solved examples.
Solved questions
Find Values of sin 30°, cos 60°, tan 45° — Standard Angles
CBSE Class 10 NCERT
Prove sin²θ + cos²θ = 1 — Pythagorean Identity Proof
NCERT Exemplar
Solve Trigonometric Equation sin 2x = √3/2 — General Solution
JEE Main 2023
Height and Distance — Angle of Elevation Problem Solved
CBSE 2024 Board Exam
Evaluate sin(75°) without calculator
Find all solutions of sin(2x) = cos(x) in [0, 2π]
Trigonometric ratios of 30°, 45°, 60° — derive and build the table
NCERT Class 10
Prove sinA + sinB = 2sin((A+B)/2)cos((A-B)/2) using sum-to-product formula
NCERT Class 11
Solve trigonometric equation sin2x = cos3x — general solution
JEE Main 2023
Trigonometric identities master list — with derivation connections
Evaluate sin⁻¹(sin 7π/6) — Inverse Trig Pitfall
JEE Main 2023
Find sin 75° Using Compound Angle Formula
JEE Main 2024
Prove 1 + tan²θ = sec²θ — From Pythagorean Identity
NCERT Class 10