1) When given two points, how can you write the equation of a line in standard form?
2) How would you simplify an equation like: (sqrt(18) + sqrt(8))/(sqrt(6))?
3) Lastly, how would simplify (-2a^(2)x^(3)y^(5))^4
I'm kinda stuck on these three problems....
The expression cos 40° cos 10° + sin 40° sin 10° is equivalent to
1. cos 30°
2. cos 50°
3. sin 30°
4. sin 50°
The expression sin A cos A + sin 2A is equivalent to
1. sin A (cos A + sin A)
2. cos A + 2 sin A
3. 3 sin A cos A
4. cos A + 2 sin 2A
The expression sin (180° - x) is equivalent to
1. sin x
2. cos x
3. -sin x
4. -cos x