Trigonometric Ratio

A 1.6m tall girl stands at a distance of 3.2m from a lamp-post and casts a shadow of 4.8m on the ground. Find the height of the lamp-post by using (i) trigonometric ratios (ii) property of similar triangles.

Assertion : Method of dimension cannot be used for deriving formulae containing trigonometrical ratios. Reason: This is because trigonometrical ratios have no dimensions.

STATEMENT 1 Method of dimension cannot be used for deriving formula containing trigonometrical ratios STATEMENT-2 Trigonometrical ratios have no dimension

Find all other trigonometrical ratios if sintheta=-(2sqrt(6))/5 andtheta lies in quadrant III.

In a right - angled triangle , if angle A is acute and cot A=4/3 , find the remaning trigonometrical ratios.

Trigonometric and inverse trigonometric functions are differentiable in their respective domain.

Trigonometric and inverse trigonometric functions are differentiable in their respective domain.

Trigonometry. Trigonometric Functions. Introduction . Angles Trigonometric Functions Of Sum And Difference . Trigonometric Equations. Introduction to trigonometry.

Trigonometric identities

Find the principal solution of the trigonometric equation cosecx = - 2