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Trigonometric Ratio(sin,cos,tan)

29. In an acu...

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29. In an acute angled triangle ABC, if sin(A+B-C)=1/2 and cos(B+C-A)=1/2, find angle A,B, and C.

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Q. In a acute angle triangle ABC, if

s i n (A + B - C) = \frac{1}{2}

c o s (B + C - A) = \frac{1}{\sqrt{2}}

∠ A, ∠ B

∠ C

Q. In an acute angled triangle ABC, if

tan (A + B - C) = 1

sec (B + C - A) = 2

, find the value of A, B and C.

Q. In an acute angled triangle ABC, if tan(A + B - C) = 1 and sec(B + C - A) = 2, find the value of A, B and C.

A, B

C

are the interior angles of a triangle

A B C

\frac{cos \frac{B + C}{2} cos \frac{C + A}{2} cos \frac{A + B}{2}}{sin \frac{A}{2} sin \frac{B}{2} sin \frac{C}{2}} = 1

Q. In an acute angles triangle

A B C

cos A, 1 - cos B, cos C

A . P .

sin A + sin C = 1

∠ B

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Trigonometric Ratio(sin,cos,tan)

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