₦airaland Forum

calculator will give u the answer but I need u to prove it

to what end? what good will it do to you or the proving prover.

abeg find something better to prove with your time

berepiki:
calculator will give u the answer but I need u to prove it

so I should just start proving sin(5000..degree) ahbi? ohk kontinu....no problem

please maths gurus should come n flex their muscles

Sin(5000)= -0.6427876097
Using the formula for basic angle, A=360n + theta,where n takes any value, where use n=13. Therefore, 360*13 + 320=5000, then the value of our theta 320degrees. But 320 falls under the fourth quadrant(360 - theta) where sine is negative, so sin(5000)= -(sin 360 - 320) which is equal to -(sin40). Punch ur calculator sin(5000) gives the same value as -(sin40). Thanks

Chizzir:
Sin(5000)= -0.6427876097
Using the formula for basic angle, A=360n + theta,where n takes any value, where use n=13. Therefore, 360*13 + 320=5000, then the value of our theta 320degrees. But 320 falls under the fourth quadrant(360 - theta) where sine is negative, so sin(5000)= -(sin 360 - 320) which is equal to -(sin40). Punch ur calculator sin(5000) gives the same value as -(sin40). Thanks

wow that's cool...buh I need someone to use modular arithmetic or any other method to solve it