- #1
Mark53
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Homework Statement
Find all numbers x ∈ [0, 2π] satisfying tan x = cos x. Your answers should be expressed in radians, rounded to 4 decimal places. Show all your working.
[You will need to use a scientific calculator that has buttons such as sin−1 or arcsin so as to be able to find the angles for which the sin function attains given values.
The Attempt at a Solution
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I don't know where to start I have had a look at the unit circle but can't see anywhere where they are equal