kellerpaula kellerpaula

22-03-2020
Mathematics

contestada

Trigonometry
Angle Sum and Difference, Double Angle and Half Angle Formulas
Find the exact value of:
Sin 22* cos 38* + Cos 22* sin 38*

Respuesta :

amna04352 amna04352

22-03-2020

Answer:

sqrt(3)/2

Step-by-step explanation:

sinAcosB+cosAsinB = sin(A+B)

sin(22)cos(38)+cos(22)sin(38)

= sin(22+38) = sin(60)

= sqrt(3)/2

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