Final answer to the problem
Step-by-step Solution
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- Prime Factor Decomposition
- Find the derivative
- Integrate using basic integrals
- Verify if true (using algebra)
- Verify if true (using arithmetic)
- Integrate by partial fractions
- Product of Binomials with Common Term
- FOIL Method
- Integrate by substitution
- Integrate by parts
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The sine of $45$ equals $\frac{\sqrt{2}}{2}$
Learn how to solve simplify trigonometric expressions problems step by step online.
$\cos\left(45\right)\cos\left(60\right)- \frac{\sqrt{2}}{2}\sin\left(60\right)$
Learn how to solve simplify trigonometric expressions problems step by step online. Simplify the trigonometric expression cos(45)cos(60)-sin(45)sin(60). The sine of 45 equals \frac{\sqrt{2}}{2}. The sine of 60 equals \frac{\sqrt{3}}{2}. Multiply -1 times \frac{\sqrt{2}}{2}. Multiply -\frac{\sqrt{2}}{2} times \frac{\sqrt{3}}{2}.