claytonmays
claytonmays
02-06-2020
Mathematics
contestada
If cos x= sin(20 + x)" and 0º
Respuesta :
Rraduca
Rraduca
02-06-2020
Draw a right angle triangle
Let one of the angles be A
cos A = sin (90-A)
90 - x - 20 = x
2x = 70
x = 35 degrees
Answer Link
VER TODAS LAS RESPUESTAS ( 54+ )
Otras preguntas
Im not quite sure how to answer this question... A 1000kg rocket is moving at a constant velocity in deep space; it is moving at 40 meters/second when its burne
True or false. If a line L1has equation y = mx + b, where m and b are constants with m ≠ 0, then an equation of a line L2 perpendicular to L1 has the form y = -
Which word correctly completes the sentence? The white-tailed __________ fawn followed closely by her side. A.deer's B.deers C.deers'
Which word correctly completes the sentence? The white-tailed __________ fawn followed closely by her side. A.deer's B.deers C.deers'
information about tigers
Show that n^2-1 is divisible by 8,if 'n' is an odd positive integer.
Give five rational numbers lying between 3/5 and 4/5. Insert six rational numbers between 3 and 4.
what does the numerator tell us in fraction
Which of the following is the equation of a line parallel to the line y=3x+2, passing through the point (10,1)? A. 3x - y=29 B. 3x + y=29 C. -3x - y=29 D. 3x +
Subtract: 6lb 4oz - 2lb 10oz
