The area of a triangle with sides p and q and included angle 2\theta is A. Given that p=q=20, express A in the form k\sin2\theta, where k is a constant. What is k?

AM-2623

Trigonometric models

A Math · Secondary 4 · Easy · Trigonometric models

The area of a triangle with sides

p

and

q

and included angle

2\theta

A

. Given that

p=q=20

, express

A

in the form

k\sin2\theta

, where

k

is a constant. What is

k

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