Identify whether the given equation is an identity or a conditional equation. Write your answer on a separate sheet of paper. 1. 3sine+7sine = 10sine 2. 5cose(cose – 2sine) = 5cos0² – 10cos@sine %3! 3. 2tane-1= 3
Identify whether the given equation is an identity or a conditional equation. Write your answer on a separate sheet of paper. 1. 3sine+7sine = 10sine 2. 5cose(cose – 2sine) = 5cos0² – 10cos@sine %3! 3. 2tane-1= 3
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:A Identify whether the given equation is an identity or a conditional equation. Write
your answer on a separate sheet of paper.
1. 3sine +7sine = 10sine
2. 5cos0(cose– 2sin0)
= 5cose² – 10cosesine
3. 2tane-1 = 3
4. (cose- sin@)(cose + sin@)
= cos20 - sin20
%3!
B. Simplify each trigonometric expression below. Write your solution and final
answer on a separate sheet of paper..
COSICSCX
1.
tanx
cos e
2.
sin? e
-
sin? e
3. cos x (sec x– cosx).
4. 2sin 3cos3
C. Prove each identity below. Write your solution and final answer on a separate
sheet of paper.
1. cos x = CSC X sin x – sin² x
2. sin y (cot y + tan y) = secy
-(+)=
= csc20 +1
3. sin (+0) =
= cos 0
(sim @ cose)
4.
sm 20
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