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

27-05-2018

Answer:
1

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

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

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