sin · TrigonometryNo. 1
Evaluate ∫ sin(5x)·cos(5x) dx
sin
Daily Calculus — Topic Room
Trigonometry
sin, cos, tan & identities
Today
Sunday, August 23, 2026
Problems
sin · TrigonometryNo. 2
Prove the identity 1 + tan²θ = sec²θ, then compute sin(π/6).
sin · TrigonometryNo. 3
Differentiate f(x) = tan(5x) + cos(x²)
sin · TrigonometryNo. 4
Prove the identity 1 + tan²θ = sec²θ, then compute cos(2π/3).
sin · TrigonometryNo. 5
Differentiate f(x) = tan(4x) + cos(x²)
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