nareshkohar5 nareshkohar5
  • 01-08-2021
  • Mathematics
contestada

if sin150=1/2 then find sin75

Respuesta :

truongntq
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

Oraciones con asi que
Use the words precedent and cabinet in a sentence about the first Washington presidency
Who took the lead in making sure the bill of rights was eventually included in the constitution
Write 10 sentences describing your weekend in french
What is another name for 23 ten thousands?
Jarod bought 8 yards of ribbion he needs 209 inches to use to make curtains how many inched of ribbon does he have.
Jill wants to find the quotient use multiplication and distributive property to help Jill find the quotient of 144 divided by 8
9/10 times a number plus 6 is 51
Standard form for 4,000,000+3,000+50+2
How do you solve 4x- 3y=-15. x y=5 using substitution