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Name: Given that H 1, H 2 are the hour angles of a star of declination δ on
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Description: Given that H 1, H 2 are the hour angles of a star of declination δ on the prime vertical west and at settingrespectively for an observer in north latitude, show thatcos H 1 cos H 2+ tan 2 δ = 0.

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Given that H 1, H 2 are the hour angles of a star of declination δ on the prime vertical west and at setting respectively for an observer in north latitude, show that cos H 1 cos H 2+ tan 2 δ = 0.

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Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.

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Question

Given that H ₁, H ₂ are the hour angles of a star of declination δ on the prime vertical west and at setting
respectively for an observer in north latitude, show that
cos H ₁ cos H ₂+ tan ² δ = 0.

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