1. Given: A = 38,6° and B=141,4° Calculate the value of: (e) *(c) sec A cos 2A-sin 2 tan? B (P)+ 2 cosec A+ cot 3B 2. Calculate O in
1. Given: A = 38,6° and B=141,4° Calculate the value of: (e) *(c) sec A cos 2A-sin 2 tan? B (P)+ 2 cosec A+ cot 3B 2. Calculate O in
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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Transcribed Image Text:MIXED REVISION EXERCISE
(The reciprocal functions are added as extra challenges)
Given: A = 38,6° and B=141,4°
Calculate the value of:
(2)
sec A
cos 2A- sin -B
2 tan? B
9,5
*(d)2cosec A+cot 3B
2.
Calculate e in each case where 0°<0<90°
sin 20 = 0,4'
2 sin 0 = 0,4
sin 0
= 0,4
(P)
sin-=0,4
2
*(e)
Cosec 0 =
2
3.
Calculate 0 in each case where 0e (0°:90°)
(8)
tan 30 = 2
4 cos 0-1=0
(a)
3 tan 0 = 2
tan (0-13°)
(p)
3 cot e =1
= 6,5
2
sece =2
Given: A = 25,34° and B=134,66°
Calculate the following if:
4.
sin 2A
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