1. Find the value of the following expressions in radians and sketch the angle. a) cos b) sec sec 3 ךרז
1. Find the value of the following expressions in radians and sketch the angle. a) cos b) sec sec 3 ךרז
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter2: Right Triangle Trigonometry
Section: Chapter Questions
Problem 6GP
Related questions
Question
question 1 please
![1. Find the value of the following expressions in radians and sketch the angle.
-1
a)
b) sec
sec
3
2. Find the exact value of sin(a-B) if sina = =
and cos B =
with a in QI and B in QII.
13
3.Find the exact value of
a. cos(67.5 ) sin(112.5
b. cos165
4.Prove identities
cos x sin' x+ cos'x
COS
a. (tan 0 +1) = sec0(sec0+2sin0)
cot x
sin x
b. cos x tan?x = sin²x
5. A 29 feet ladder leans against a building so that the angle between the ground and the ladder is 75. How
high does the ladder reach up the side of the building? Round to 2 decimal places.
6. Find cose given that sin(20)5/13 and 0<0 <
4
b.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F83935607-596b-4a13-9784-cfef08e465e9%2Feac00cb5-1994-464d-8dbb-cd37a666c1ed%2Fr9yrq9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. Find the value of the following expressions in radians and sketch the angle.
-1
a)
b) sec
sec
3
2. Find the exact value of sin(a-B) if sina = =
and cos B =
with a in QI and B in QII.
13
3.Find the exact value of
a. cos(67.5 ) sin(112.5
b. cos165
4.Prove identities
cos x sin' x+ cos'x
COS
a. (tan 0 +1) = sec0(sec0+2sin0)
cot x
sin x
b. cos x tan?x = sin²x
5. A 29 feet ladder leans against a building so that the angle between the ground and the ladder is 75. How
high does the ladder reach up the side of the building? Round to 2 decimal places.
6. Find cose given that sin(20)5/13 and 0<0 <
4
b.
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