sinA + sin (A-π) +cos (π/2 + A) + cos(5π/2 -A) =0
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Step-by-step explanation:
LHS = sinA+sin(A-22/7)+cos(22/7+A)+cos(5×22/7-A)
=sinA-sinA-sinA+sinA
=0
= LHS
Do not my keyboard pay simbole . Here pay=22/7
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