Q6 q21.) verify the identity, write the left side numerator in terms of a sum or difference formula for sine or cosine, rewrite the expression found in the previous step by separating the denominator, and the expression from the previous step then simplifies to cot α - tan β using what?

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a.m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?