Surabhi Asked a Question
July 3, 2020 6:45 pmpts 30 pts
Cose -sine Coso S his a bosthve integer ard A = +hen A i )Cosne Sinne - Sin ne COshe )-Losne Sinne Sihhe CO Sno Cogne shhe Shne ) Cosn o -Losh Sinno COsno Sinno
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  • Arzoo thankyou
    you can easily prove it by using mathematical induction
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  • Vishal goswami thankyou
    ans is options 4
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  • Deepak singh
    4 option
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  • Vishal goswami
    see attachment
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  • Deepak singh
    it is direct result.. n enters in trigonometric angles .
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