Find the value of cos 19 ∘ 59 '

0 ' 6 ' 12 ' 18 ' 24 ' 30 ' 36 ' 42 ' 48 ' 54 ' Mean Difference 0 . 0 ∘ 0 . 1 ∘ 0 . 2 ∘ 0 . 3 ∘ 0 . 4 ∘ 0 . 5 ∘ 0 . 6 ∘ 0 . 7 ∘ 0 . 8 ∘ 0 . 9 ∘ 1 2 3 4 5 19 ∘ 0 . 9403 5 Write 19 ∘ 59 ' = 19 ∘ 59 ' + 5 ' From the table we have, cos 19 ∘ 54 ' = 0 . 9403 Mean difference for 5 ' = 5 cos 19 ∘ 59 ' = 0 . 9398 (Mean difference to be subtracted for cosine)

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Mathematics Standard 9>Chapter 6 - Trigonometry>Solved Example

Tamil Nadu Board Solutions for Chapter: Trigonometry, Exercise 12: Solved Example

Author:Tamil Nadu Board

Tamil Nadu Board Mathematics Solutions for Exercise - Tamil Nadu Board Solutions for Chapter: Trigonometry, Exercise 12: Solved Example

Attempt the free practice questions on Chapter 6: Trigonometry, Exercise 12: Solved Example with hints and solutions to strengthen your understanding. Mathematics Standard 9 solutions are prepared by Experienced Embibe Experts.