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Question

tan 30° cosec 60° + tan 60° sec 30°

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Solution

As we know that,
tan30°=13sec30°=23cosec60°=23tan60°=3By substituting these values, we gettan30° cosec60°+tan60° sec30°=13×23+3×23 =23+2 =2+63 =83Hence, tan30° cosec60°+tan60° sec30°=83

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