DhiMath India

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🎉 Welcome to DhiMath – Joyful Math for Everyone! An award-winning initiative, DhiMath helps students see, touch, and play with math in creative and exciting ...

Latest Videos

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Playing the Home Run Board Game

Unboxing the Home Run Board Game

(tanx + secx - 1)(tanx - secx + 1) = (1 + sinx)cosx

(1 + secx)secx = sin^2x(1 - cosx)

Joyful Math Semester Course - 3

Joyful Math Semester Course - 2

Joyful Math Semester Course - 1

(sinx - 2sin^3x)(2cos^3x - cosx) = tanx

(1 - sinx)(1 + sinx) = (secx - tanx)^2

(cotx - tanx)(cotx + tanx) = 2cos^2x - 1

1(secx - tanx) = secx + tanx

1(cotx + tanx) = sinx.cosx

(cosx - sinx + 1)(cosx + sinx + 1) = cosecx + cotx

(1 + sin^2x)cos^2x = sec^4x - tan^4x

cosecx(cotx + tanx) = cosx

(cotx + tanx)cosecx = secx

tan^2x(1 + secx) = secx - 1

sec^2x(sec^2x - 1) = cosec^2x

(1 + cotx)cosecx = sinx + cosx