QUI 2.1 2.2 2.3 2.4 2.4.1 It is given that sin23° = √m. Write cos23° in terms of m, without using a calculator. Leave your anwer in the simplest form. Simplify completely without using a calculator: sin(90° - x). cos(180° +x)+tanx.cosx.sin(x - 180°) Determine the value of the following expression: 2sinx.cosx(1+tan2x) tanx Consider the following: 1-cos² A 4cos (90°+A) Simplify the expression to a single trigonometric term. 2.4.2 Hence, Determine the general solution of: 1-cos²2x 4cos (90°+2x) = 0,21
QUI 2.1 2.2 2.3 2.4 2.4.1 It is given that sin23° = √m. Write cos23° in terms of m, without using a calculator. Leave your anwer in the simplest form. Simplify completely without using a calculator: sin(90° - x). cos(180° +x)+tanx.cosx.sin(x - 180°) Determine the value of the following expression: 2sinx.cosx(1+tan2x) tanx Consider the following: 1-cos² A 4cos (90°+A) Simplify the expression to a single trigonometric term. 2.4.2 Hence, Determine the general solution of: 1-cos²2x 4cos (90°+2x) = 0,21
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°.
Related questions
Question
Transcribed Image Text:QUI
2.1
2.2
2.3
2.4
2.4.1
It is given that sin23° = √m. Write cos23° in terms of m, without
using a calculator. Leave your anwer in the simplest form.
Simplify completely without using a calculator:
sin(90° - x). cos(180° +x)+tanx.cosx.sin(x - 180°)
Determine the value of the following expression:
2sinx.cosx(1+tan2x)
tanx
Consider the following:
1-cos² A
4cos (90°+A)
Simplify the expression to a single trigonometric term.
2.4.2 Hence, Determine the general solution of:
1-cos²2x
4cos (90°+2x)
= 0,21
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