JEE MATHEMATICS MCQ: PROPERTIES OF TRIANGLES

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Application +4 | -1

The sines of two angles of a triangle are equal to

5 / 13

and

99 / 101

. The cosine of the third angle is

View answer and explanation

Correct option: C

\frac{255}{1313}

Option C (

\frac{255}{1313}

) is correct because it is the result of applying trigonometric identities to find the cosine of the third angle.

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