nareshkohar5 nareshkohar5

01-08-2021
Mathematics

contestada

if sin150=1/2 then find sin75

Respuesta :

truongntq truongntq

01-08-2021

Sin75° = Sin(30° + 45°)

= Sin30°.Cos45° + Sin45°.Cos30°

= 1/2 . √2/2 + √2/2.√3/2

= √2/2 ( 1/2 + √3/2 )

= √2/2 ((1+√3 ) /2 )

= (√2 + √6 )/ 4

Answer Link

Otras preguntas

-7-(-4)= helpppppp pleaseeeee

the volume of the rectangular prism is _____ cubic units

Lisa is going on a 3 3/4 mile hike. She has already hiked 1 1/4 miles. How many more miles does she have left to hike?

Select all the correct answers. Read this passage about junk food and advertising. Which two sentences together give the best description of the passage? Expert

Can someone help me with the ENVIRONMENT, please

please explain your answer too :D

115 149° What is the degree measure of v?. A) 31° B) 34° 58° D) 749

Who has been accused of William’s murder?

Tony owes Tina 40p. Then Tina borrows 50p from Tony. Later Tony gives Tina 60p. Who has to pay what to whom to square things up? nswer I need to answer this cha

help me please i am i need of assistance