If sec θ = x + 1/(4x), then prove that sec θ + tan θ = 2x or 1/(2x) .
Follow Math Help Forum on Facebook and Google+
Hello, snigdha! We have: . is in a right triangle with: . Pythagorus says: . So we have: . . . . . . . . . . . . . . . . . So: . . . . . .Hence: . Therefore: .
View Tag Cloud