Rahul123321
Rahul123321 Rahul123321
  • 25-05-2018
  • Social Studies
contestada

if sin a + b is equal to sin a × cos b + cos a × sin b then find the value of :
a) sin 75degree
b)cos 15 degree

Respuesta :

tysonjeanette8p52jwr
tysonjeanette8p52jwr tysonjeanette8p52jwr
  • 27-05-2018
Answer:
1

Explanation:
sin
15
°
cos
75
°
+
cos
15
°
sin
75
°

=
sin
(
15
°
+
75
°
)
=
sin
(
90
)
=
1
Answer Link

Otras preguntas

Scenario - A parent approaches you at the end of the day and asks how his child was today. You let the parent know that you are a student at the centre and tha
The Freedmen's Bureau's most lasting success was A ending racial segregation through successful lawsuits. B ending the South's reliance on sharecropping for l
Roberto is writing an article for his town newspaper, arguing against plans to build a new shopping center in a local meadow. Read this sentence from his articl
1. In a certain system of gears, the ratio of the number of teeth on the first gear to the number of teeth on the second gear is 7:3. If the first gear has 259
Journal entry on spead of Islam?
Bob's Gift Shop sold 750 cards for Mother's Day. One salesman, Bella, sold 2% of the cards sold for Mother's Day. How many cards did Bella sell?
Help I can’t do this
Which element is NOT part of the molecular formula of carbohydrates? A:Carbon B:hydrogen C:oxygen D:nitrogen
Find the function values f(x)=3x^2+3x-1 a. f(0) b. f(2) c. f(-2) d. f(0) e. f(2a)
Are Fireworks Flat or Round