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

Answer Link

Otras preguntas

which of the following liquids is most soluble in water benzene ethanol carbon tetrachloride toluene

Which desribes the main purpose of RNA polymerase during transcription

Which of the following lines most likely indicate a happy ending? Her favorite toy fell in the trash can his mother’s voice echoed the soldier embraced his lon

Tangent FC and secant EB intersect at point D, the point of tangency. What is the measure of FDB?

Scientists form a hypothesis? A. by writing down everything they see in their experiment. B. by drawing conclusions from their data. C. by using their data to a

Read the excerpt from Ernest Hemingway’s “Soldier's Home.” A distaste for everything that had happened to him in the war set in because of the lies he had told

in a titration 5.0 mL of a 2.0 M NaOH(aq) solution exactly neutralizes 10.0 mL of an HCI(aq) solution. What is the concentration of the HCI(aq) solution?

Which sentence in this excerpt from "Common Sense" by Thomas Paine proposes that the American colonies should be neutral in their relationships with foreign nat

I'm thinking of a number. I subtract 4 and then halve the result. The answer is 9. What is the number I am thinking of?

who occupied the highest class in latin america society A Native americans B former slaves C Creoles D mestizos