English

Prove that: cosec2 45° - cot2 45° = 1

Prove that:

cosec² 45° - cot² 45° = 1

Sum

LHS= cosec² 45° - cot² 45°

= `(sqrt2)^2 –1^2 = 2 – 1 = 1 = RHS`

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Chapter 21: Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals] - EXERCISE 21 (C) [Page 322]

Chapter 21 Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals]
EXERCISE 21 (C) | Q 4. (iii) | Page 322

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