12 The diagram shows the graphs of y sin x° and y cos x. 90 180 270 360 x Find the values of x between 0 and 360 for which (a) sin x = cos x, Answer (a) x- . or x - . (2] (b) sin x° = sin 22.5° (r + 22.5). Answer (b) x (1]
12 The diagram shows the graphs of y sin x° and y cos x. 90 180 270 360 x Find the values of x between 0 and 360 for which (a) sin x = cos x, Answer (a) x- . or x - . (2] (b) sin x° = sin 22.5° (r + 22.5). Answer (b) x (1]
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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![12 The diagram shows the graphs of y = sin x° and y = cos x.
!3!
90
180
270
360 x
Find the values of x between 0 and 360 for which
(a) sin x° = cos x°,
Answer (a) x =.. . or x = . .
[2]
(b) sin x° = sin 22.5° (x + 22.5).
Answer (b) x =.
[1]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffdb6b7a1-1e81-4787-bf86-1e1e8b582305%2Fe47969ce-6615-488b-b5d7-f204f8aa969b%2F4ddfohz_processed.jpeg&w=3840&q=75)
Transcribed Image Text:12 The diagram shows the graphs of y = sin x° and y = cos x.
!3!
90
180
270
360 x
Find the values of x between 0 and 360 for which
(a) sin x° = cos x°,
Answer (a) x =.. . or x = . .
[2]
(b) sin x° = sin 22.5° (x + 22.5).
Answer (b) x =.
[1]
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