A triangle has two sides of length 18 cm and 18 cm with included angle 2\theta. Its area is A cm^2. Which expression gives A in terms of \theta?

AM-2503

Trigonometric models

A Math · Secondary 4 · Medium · Trigonometric models

A triangle has two sides of length 18 cm and 18 cm with included angle

2\theta

. Its area is

A

^2

.

Which expression gives

A

in terms of

\theta

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