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cos¹ (tan i tan e)] The formula D=24 1 can be used to approximate K the number of hours of daylight when the declination of the Sun is iº at a location 0° north latitude. To use the formula, cos¹(tan i tan 0) must be expressed in radians. Approximate the number of hours of daylight in a city at 25°6′ north latitude on (a) the summer solstice (i=23.5°), (b) the vernal equinox (i=0°), and (c) July 4 (i=22°48').

cos¹ (tan i tan e)] The formula D=24 1 can be used to approximate K the number of hours of daylight when the declination of the Sun is iº at a location 0° north latitude. To use the formula, cos¹(tan i tan 0) must be expressed in radians. Approximate the number of hours of daylight in a city at 25°6′ north latitude on (a) the summer solstice (i=23.5°), (b) the vernal equinox (i=0°), and (c) July 4 (i=22°48').

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.4: Values Of The Trigonometric Functions
Problem 41E
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a) The number of hours of daylight on the summer solstice is       hours.

b) The number of hours of daylight on the vernal equinox is      hours.

c) The number of hours of daylight on July 4th is       hours.

The formula D=24 1 cos¹ (tan i tan 0) П Л can be used to approximate the number of hours of daylight when the declination of the Sun is iº at a location 0° north latitude. To use the formula, cos¹ (tan i tan 0) must be expressed in radians. Approximate the number of hours of daylight in a city at 25°6' north latitude on (a) the summer solstice (i=23.5°), (b) the vernal equinox (i=0°), and (c) July 4 (i=22°48').
Transcribed Image Text:The formula D=24 1 cos¹ (tan i tan 0) П Л can be used to approximate the number of hours of daylight when the declination of the Sun is iº at a location 0° north latitude. To use the formula, cos¹ (tan i tan 0) must be expressed in radians. Approximate the number of hours of daylight in a city at 25°6' north latitude on (a) the summer solstice (i=23.5°), (b) the vernal equinox (i=0°), and (c) July 4 (i=22°48').
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