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(a) Given

(a) Given

Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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(a) Given <0 <n and sin e = 0.8 1. Give the value of e to 3 decimal places ii. Calculate cos 0 (give exact value) ALERT: (b) Consider the right-angled triangle AABC shown on the right which has 2 sectors drawn inside from A and B of radii equalling the respective adjacent sides. Diagram not drawn to scale i. Calculate the perimeter of the shape DCE (give answer in either exact form or 3 decimal places). 15cm B. Вст ii. Calculate the area of the shape DCE (give answer in either exact form or 3 decimal places).
Transcribed Image Text:(a) Given <0 <n and sin e = 0.8 1. Give the value of e to 3 decimal places ii. Calculate cos 0 (give exact value) ALERT: (b) Consider the right-angled triangle AABC shown on the right which has 2 sectors drawn inside from A and B of radii equalling the respective adjacent sides. Diagram not drawn to scale i. Calculate the perimeter of the shape DCE (give answer in either exact form or 3 decimal places). 15cm B. Вст ii. Calculate the area of the shape DCE (give answer in either exact form or 3 decimal places).
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