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c3 maths TRIG

solve the following equation for the range 0<x<360
Tan x=cos x
i have no idea how to go about this question :whip2::whip::whip2::whip:
(edited 8 years ago)
Original post by Vage
solve the following equation for the range 0<x<360
Tan x=Sin x
i have no idea how to go about this question :whip2::whip::whip2::whip:


Sinx = sinx/cosx

This should help?
Also, what exam board are you on? this doesn't seem like c3, more like c2.
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Vage
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Original post by NotNotBatman
Sinx = sinx/cosx

This should help?


:frown:doesn't make sense
Original post by Vage
:frown:doesn't make sense


tanx = sinx/cosx substitute this for tanx
secxcosx = 1

You need to remember this trig Identity ; I have pm'd you a more detailed solution.

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