Q8.Check whether cos x.cos 2x.cos 4x.cos 8x= sin 16x/ 16 sin x or not.
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Answered by
0
jfz
Answer:
jfz
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oysgixsjtsgdjfzfzjzrJfJfZzfjzkgxktsotsoysoydoyxdoydkyszsjgjskgjgdkgskgs
Step-by-step explanation:
oysgixsjtsgdjfzfzjzrJfJfZzfjzkgxktsotsoysoydoyxdoydkyszsjgjskgjgdkgskggxgjlxgkxxxkgxkcjvcjhjcjcici
Answered by
1
Step-by-step explanation:
cos π/5 ± cos 3π/5 =1/2
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