agtony4286 agtony4286
  • 23-04-2020
  • Mathematics
contestada

Solve the equation for principal values of x. Express solutions in degrees.

2 sinx - 1 = 0

a. 90

C. 315

b. 45

d. 270

Respuesta :

AyBaba7 AyBaba7
  • 23-04-2020

Answer:

Nome of the above options are correct

x = 30° or 150°

Step-by-step explanation:

2 sinx - 1 = 0

2sinx = 1

sin x = (1/2)

x = sin⁻¹ (0.5) = 30°

But sin x is positive in the first and the second quadrant,

x = 30° or 150°

Hope this Helps!!!

Answer Link
PuffoPufferfish
PuffoPufferfish PuffoPufferfish
  • 14-05-2021

Assuming you meant sqrt(2):

B. 45°

Answer Link

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