Math, asked by ravi855, 11 months ago

If A, B, C, D are angles of a cyclic quadrilateral taken in order then find the value of
cos(180° - A)+cos(180°+B) + cos(180°+C)-sin(90° + D)

Answers

Answered by vishal2058

5

Answer:

Its 0..

Step-by-step explanation:

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