Question

MULTIPLE
&
SUBMULTIPLE
ANGLES
Hence find
2. T
Cos3A
8. i) Show that CosA
2 Cos2A-1
the value of Cos 15°
Sin3A
11) Show that SinA =
1 + 2Cos2A
Hence find
1
the value of Sin 15°​

Answer 1

Answer:

hi

Step-by-step explanation:

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