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astra-53 [7]
3 years ago
15

If sin a + b is equal to sin a × cos b + cos a × sin b then find the value of :

Social Studies
1 answer:
lisabon 2012 [21]3 years ago
3 0
Answer:
1

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

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