COS Function - Calc Cosine of Angle - Excel, VBA, G Sheets

SOLVED: Find the 45th derivative of Y = cos(2x) f'(45)(x)

If cos x = - 45 , where x epsilon [ 0, pi], then the value of cos (x2) is equal to :

Show that : Sin 25 ∘ Cos 115 ∘ = 1 2 ( Sin 140 ∘ − 1 ) - Mathematics | Shaalaa.com

cos^-1 [ cos ( ( - 17/15 )pi ) ] is equal to

The value of cos[sin 1 45 cos 145]=

The value of sin(45° θ) - cos(45° - θ) is ______. - Mathematics | Shaalaa.com

Value of cos ^-1 35 - sin ^-1 45 is

The value of cos 15∘cos 30∘cos 45∘cos 60∘cos 75∘/sin 10∘sin 30∘sin 50∘sin 70∘ is