mayurimjani mayurimjani

25-06-2016
Mathematics

contestada

evaluate: sin (225degree)

Respuesta :

olemakpadu olemakpadu

26-06-2016

sin(225)

225 degrees is in the 3rd quadrant. And in the third quadrant only tangent is positive, sin is negative.

For third quadrant, basic angle = 225 - 180 = 45

sin225 = - sin45

sin225 = - sin45 = -0.7071

sin 225° ≈ -0.7071

Answer Link

Otras preguntas

Coughing and sneezing on foods can allow __________ to contaminate the food

Do you know the answer to this question

it's noon at the international date line. If it's wednesday in Honolulu, what day is it in Moscow?

Cammie goes to the gym to exercise 4 times per week altogether how many times does she go t the gym in 10 weeks?

What is the simplified form of the following expression? 4/7^3 A: 343/64 B: 21,952 C:407 D: 64/343

Inverse Distributive property of 6x + 108

The penny size d is given by the literal equation d = 4n - 2, solve for n

Socrates considered himself to be a kind of _____.

A compound has a molar mass of 44.01 g/mol. What is its identity?

how many total atoms are in 0.280 g of P2O5