A triangle ABC is right angled at B; find the value of

Question

KnowledgeBoat · Accepted Answer

In triangle ABC, ⇒ ∠A + ∠B + ∠C = 180° ⇒ ∠A + 90° + ∠C = 180° ⇒ ∠A + ∠C = 90° ⇒ ∠A = 90° - ∠C. Substituting value of A in we get, By formula, tan (90° - C) = cot c, sec (90° - C) = cosec C and cosec² C - cot² C = 1. Hence, = 1.

Mathematics

A triangle ABC is right angled at B; find the value of

Trigonometric Identities

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Mathematics

A triangle ABC is right angled at B; find the value of

Trigonometric Identities

Related Questions

Find value of x, if :sin x = sin 60° cos 30° + cos 60° sin 30°

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