atrumpet16 atrumpet16

07-12-2022
Mathematics

contestada

Evaluate. Do not use a calculator.
a) sin(-390) - tan(495)

b) sin90cos135 - tan30

Respuesta :

Otras preguntas

if 1 liter cost $12 how much does 0.7 liters cost

Determine the vertex of the function f(x) = 2(x-4)^2+5

The time required for an automotive center to complete an oil change service on an automobile approximately follows a normal distribution, with a mean of 19 mi

A 10.1 g sample of NaOH is dissolved in 250.0 g of water in a coffee-cup calorimeter. The temperature increases from 23.0 °C to ________°C. Specific heat of liq

Transfer prices are _____. A. costs of the segment producing the product or service B. revenues of the segment acquiring the product or service C. revenues of t

ABCD is an isosceles trapezoid with AD II BC, mZB = 60°, and mZC = (3x +15) Solve for x. A 15 B. 25 C. 35 D. 60

For the reaction H2(g) + CO2(g) ⇌ H2O(g) + CO(g) at 700ºC, Kc = 0.534. Calculate the number of moles of H2 that are present at equilibrium if a mixture of 0.300

Select the correct answer. Why did Mao Zedung get involved in the Korea War?

You need 845 mL of a 75% alcohol solution. On hand, you have a 35% alcohol mixture. How much of the 35% alcohol mixture and pure alcohol will you need to obtain

How can you estimate 33 percent of 87?