Final answer to the problem
Step-by-step Solution
How should I solve this problem?
- Prove from LHS (left-hand side)
- Prove from RHS (right-hand side)
- Express everything into Sine and Cosine
- Exact Differential Equation
- Linear Differential Equation
- Separable Differential Equation
- Homogeneous Differential Equation
- Integrate by partial fractions
- Product of Binomials with Common Term
- FOIL Method
- Load more...
Start by simplifying the left side of the identity: $\cos\left(-x\right)+\sin\left(-x\right)$
Learn how to solve equations problems step by step online.
$\cos\left(x\right)-\sin\left(x\right)=\cos\left(x\right)-\sin\left(x\right)$
Learn how to solve equations problems step by step online. Prove the trigonometric identity cos(-x)+sin(-x)=cos(x)-sin(x). Start by simplifying the left side of the identity: \cos\left(-x\right)+\sin\left(-x\right). Since we have reached the expression of our goal, we have proven the identity.