If A = 60∘ and B=60∘, verify that: (i) sin (A - B) = sin A cos B -

1.	If A = 60∘ and B=60∘, verify that: (i) sin (A - B) = sin A cos B - cos A sin B (ii) cos (A - B) = cos A cos B + sin A sin B (iii) tan (A - B) = tan A−tan B1+tam A tan B
Answer» If A = $60^{\circ} a n d B = 60^{\circ},$ verify that: (i) sin (A - B) = sin A cos B - cos A sin B (ii) cos (A - B) = cos A cos B + sin A sin B (iii) tan (A - B) = $\frac{t a n A - t a n B}{1 + t a m A t a n B}$

If A = 60∘ and B=60∘, verify that: (i) sin (A - B) = sin A cos B - cos A sin B (ii) cos (A - B) = cos A cos B + sin A sin B (iii) tan (A - B) = tan A−tan B1+tam A tan B

Answer»

If A = $60^{\circ} a n d B = 60^{\circ},$ verify that:

(i) sin (A - B) = sin A cos B - cos A sin B

(ii) cos (A - B) = cos A cos B + sin A sin B

(iii) tan (A - B) = $\frac{t a n A - t a n B}{1 + t a m A t a n B}$

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If A = 60∘ and B=60∘, verify that: (i) sin (A - B) = sin A cos B - cos A sin B (ii) cos (A - B) = cos A cos B + sin A sin B (iii) tan (A - B) = tan A−tan B1+tam A tan B

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