Question

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

Answer 1

Answer:
1

Step-by-step explanation:
sin
15
°
cos
75
°
+
cos
15
°
sin
75
°

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