C3 Trigonometry Secant, Cosecant, Cotangent 1. Sec x = 1 , cos x 1 , sin x 1 , tan x cos x , sin x cos x ≠ 0 sin x ≠ 0 -1- 2. Cosec x = 3. Cot x = tan x ≠ 0 sin x ≠…

1. 1Given that xtany 2 and thentan x2tan yFind ! 2. tan (x y) 2tan x tan y tan x y1 tan x.tan y1tan x2 tan x tan y 2 1 tan x. tan y2 2 tan x.tan y tan x tan y 11 2 2. .tan…

Lecture 2: Exercise 1 Explanation This is an exercise in applying the process of differentiation to several functions. It is a straightforward calculation. Hint Apply the…

Slide 1 Section 5.5 Slide 2  In the previous sections, we used: a) The Fundamental Identities a)Sin²x + Cos²x = 1 b) Sum & Difference Formulas a)Cos (u – v) =…

Slide 1 Copyright © Cengage Learning. All rights reserved. 5 Analytic Trigonometry Slide 2 Copyright © Cengage Learning. All rights reserved. 5.5 Multiple–Angle and Product–to–Sum…