a. Show that tan x = p q where p and q are numbers to be
Question:
a. Show that tan x = p ± √q where p and q are numbers to be found.
b. Hence solve the equation tan2 x – 2tan x – 4 = 0 in the interval 0 ≤ x ≤ 540°.
tan2 x – 2tan x – 4 = 0
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Step by Step Answer:
a To show that tan x p q we can start with the identity tan2 x 1 sec2 x Rearranging the equation we ...View the full answer
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Related Book For 
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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