cos (42 degrees) = 0.74314 (rounded)
cos (42 radians) = -0.4 (rounded)
cos (42 grads) = 0.79015 (rounded)
Chat with our AI personalities
Reciprocal of Cosine is Secant
Cosine of -90 is 0.
it would be secant, 1/cosine
[ cos(Θ) ]-1 = 1/cosine(Θ) = secant(Θ)
0.525321989