How i can solve the ncert class 10 question of introduction of trigonometry in a easiest way , please give me the best solution of the exercise 8.3 question no.4 (4). Evaluate. cosec 31° – sec 59°.
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cosec 31° – sec 59°
To simplify this, convert the cosec function into sec function
We know that, 31° is written as 90° – 59°, which is equal to the sec 59°
= cosec (90° – 59°) – sec 59°
Substitute the value, to simplify this equation
= sec 59° – sec 59° = 0