Solve the equation for all real values of x.
cosxtanx - 2 cos^2 x=-1

Solution to equation for all real values of x is   .

Step-by-step explanation:

Here we have , . Let's solve :

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⇒  

⇒  

⇒  

⇒  

⇒  

By quadratic formula :

⇒

⇒

⇒

⇒

⇒

⇒

But at we have equation undefined as . Hence only solution is :

⇒

Since ,

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Now , General Solution is given by :

⇒

Therefore , Solution to equation for all real values of x is   .

0.038

step-by-step explanation:

for the free

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