1. Express the following as trigonometric ratios of acute angles: 2. Express the following as trigonometric ratios...

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1. Express the following as trigonometric ratios of acute angles:

(a) sin168 (d) tan 77 4 (g) sin280 (b) cos 2 3 (e) cos250 (h) tan340 5T 6 (c) tan- 77 6 (f) sin- 5 3 (1) cos-

2. Express the following as trigonometric ratios of positive acute angles:

(a) cos(- Sit) 6 (d) tan(-) (b) tan(-230) (e) sin(-5) 6 (c) sin(-77) 4 (f) cos(-250)

3. Write down the values (if defined) of the following:

(a) sino (e) coso (1) tano (b) sin 2 I (f) cos- 2 I (j) tan- 2 (c) sin 7 (g) cos IT (k) tan 7 3 2 (d) sin-

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Modern Engineering Mathematics

ISBN: 9781292253497

6th Edition

Authors: Glyn James

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Question Posted: Jan 11, 2024 12:00 AM

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1. Express the following as trigonometric ratios of acute angles: 2. Express the following as trigonometric ratios...

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Modern Engineering Mathematics

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