![Find the exact value of the expression. cos (- {25 pi} / 4) - tan (- {25 pi} / 4) | Homework.Study.com Find the exact value of the expression. cos (- {25 pi} / 4) - tan (- {25 pi} / 4) | Homework.Study.com](https://homework.study.com/cimages/multimages/16/mineangle2373026946765339303.png)
Find the exact value of the expression. cos (- {25 pi} / 4) - tan (- {25 pi} / 4) | Homework.Study.com
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If cos 25 degrees + sin 25 degrees = k, then cos 20 degrees is equal to - Maths - Trigonometric Functions - 12700435 | Meritnation.com
If cos25° + sin 25° = k, then cos20° is equal to - Sarthaks eConnect | Largest Online Education Community
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