Adam2987 said:The Attempt at a Solution
1/cscx-sinx = secx tanx
L.S.
= 1/cscx-sinx
= 1/(1/sinx)-sinx
R.S.
= secx tanx
= (1/cosx)(sinx/cosx)
This is where I'm getting confused. Why can't I make the L.S equal the Right side?
Adam2987 said:The Attempt at a Solution
1/cscx-sinx = secx tanx
L.S.
= 1/cscx-sinx
= 1/(1/sinx)-sinx
Adam2987 said:(1/sinx)(sinx/sinx) = sin^2x - sinx?
Adam2987 said:Hmmm. Do I multiply everything in the first denominator by sinx? Or just the - sinx?
I get sinx/sinx-sin2x. I think... I've never seen mulitiplication like this. It's probably something easy, I've just never done it yet.
rock.freak667 said:[tex]\frac{1}{\frac{1}{sinx}-sinx} \times \frac{sinx}{sinx}[/tex]
Trigonometric identities are mathematical equations that involve trigonometric functions (such as sine, cosine, tangent) and are true for all values of the variables involved.
Solving trig identities is important because they are used in many applications, such as physics, engineering, and navigation. They also serve as the basis for more complex trigonometric equations and can help simplify calculations.
Some common strategies for solving trig identities include using basic trigonometric identities (such as Pythagorean identities), manipulating the equations using algebraic techniques, and converting trigonometric functions to their equivalent forms.
You can check if your solution for a trig identity is correct by substituting the values of the variables into the equation and simplifying both sides. If the resulting equations are equal, then your solution is correct.
Some tips for memorizing trigonometric identities include practicing regularly, understanding the relationships between different identities, and creating memory aids such as flashcards or mnemonic devices.