Introduction
The trigonometric ratio's are: Sine, Cosine, Tangent, Cotangent, Secant, and Cosecant..
Trigonometrical Identities
Introduction - The trigonometric ratio's are: Sine, Cosine, Tangent, Cotangent, Secant, and Cosecant..
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/trigonometry/right-angled-triangles/right-angled-trianglesindex.php'>right angled triangles only. Trigonometrical Identities The trigonometric ratio's are: Sine, Cosine, Tangent, Cotangent, Secant, and Cosecant. Trigonometric Tables Trigonometric tables are used (1). ..
Trigonometrical Identities Introduction
(iii) tangent A tangent A In short, tan A Similarly three more ratios can be obtained by taking the reciprocals of sine, cosine and tangent ratios. (iv) cosecant In shor..
(iii) tangent A tangent A In short, tan A Similarly three more ratios can be obtained by taking the reciprocals of sine, cosine and tangent ratios. (iv) cosecant In shor..Trigonometry
. The side adjacent to q is the side AB. The hypotenuse of the D ABC is the side AC. Now, let us write down the trigonometrical ratios with the help of the above triangles: (i) Sine q : It is defined as the ratio of the side opposite to q and the hypotenuse. i.e., In short we write sin (ii) Co..
. The side adjacent to q is the side AB. The hypotenuse of the D ABC is the side AC. Now, let us write down the trigonometrical ratios with the help of the above triangles: (i) Sine q : It is defined as the ratio of the side opposite to q and the hypotenuse. i.e., In short we write sin (ii) Co..Some Trigonometrical Identities
Some Trigonometrical Identities - 1. sin A = cos (90 o - A) 2. 3. tan A x tan (90 o - A) = 1 4. sin 2 A + cos 2 A = 1 5. 1 + tan 2 A = sec 2 A 6. 1 + cot 2 A = cosec 2 A Let us prove the above identities. Let D ABC be a right-angled triangle with B = 90 o . Let BC = a, AC = b and AB = c. ..
Some Trigonometrical Identities - 1. sin A = cos (90 o - A) 2. 3. tan A x tan (90 o - A) = 1 4. sin 2 A + cos 2 A = 1 5. 1 + tan 2 A = sec 2 A 6. 1 + cot 2 A = cosec 2 A Let us prove the above identities. Let D ABC be a right-angled triangle with B = 90 o . Let BC = a, AC = b and AB = c. ..See what our Users say :
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