sin a+sin 3a+sin 5a/cos a+ cos 3a+cos 5a=tan 3a
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Step-by-step explanation:
(i) sinA+sin3A+sin5AcosA+cos3A+cos5AsinA+sin3A+sin5AcosA+cos3A+cos5A = tan 3A
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Answer:
sin a+sin 3a+sin 5a/cos a+ cos 3a+cos 5a=tan 3a
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