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Given that sin 2x = cos(2x - 30). Find the value of tan x.​

User Adamw
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2 Answers

0 votes

Answer:

x=30o+n90on∈Z

Explanation:

cos2x=sin(90o−2x)=sin(2x−30o)

Which mean 90o−2x=2x−30o+n360o

or 90o−2x+2x−30o=(2n+1)180o

The later cannot be true.

so x=30o+n90on∈Z

User Anton Bryzgalov
by
8.5k points
3 votes


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The value of tan x is :


  • \boxed{ \boxed{ (1)/( √(3) ) }}

solution is in attachment !

Given that sin 2x = cos(2x - 30). Find the value of tan x.​-example-1
Given that sin 2x = cos(2x - 30). Find the value of tan x.​-example-2
User Tomas Katz
by
7.9k points

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