Question

(a) Which is greater, sin(18560)or sin(20190) ? Give reason. (b) Which of the following is positive ? sin(−3100) and sin 3100. Give reason.

Answer 1

Answer:

82900000

explaination:

Answer 2

Answer:

(a) sin(20190) is greater than sin(18560),  (b) sin(-3100) is positive while sin(3100) is negative

Step-by-step explanation:

for (a)

with the use of scientific calculator, sin(20190)  it is 0.5 while for sin(18560) is -0.34 (in two decimal places)

for (b)

sine is an odd function so due to this sine of -3100 will be 0.64 ( two decimal places) which is positive value while

sine of 3100 will be -0.64 ( two decimal places) which is a negative value.