1-\frac{cos^2x}{1+cosx}=sinx
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Originally Posted by deathmate 1-\frac{cos^2x}{1+cosx}=sinx What are you trying to do? Solve this equation? Or show it's an identity?
Originally Posted by Prove It What are you trying to do? Solve this equation? Or show it's an identity? uppsss, sorry , i need to make equal ,left hand like right hand ,my apologies!
Originally Posted by deathmate uppsss, sorry , i need to make equal ,left hand like right hand ,my apologies! And what makes you think that they are equal? Are you sure that you copied the question correctly?
hi PI i think he wants the number x for which the above equation is true.he wants to solve it.
i need to prove that the left side is equal to the right!
Originally Posted by deathmate i need to prove that the left side is equal to the right! It doesn't!
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