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Asked by Tanishq 28th October 2017, 10:17 AM
Answered by Expert
begin mathsize 16px style Use space cotB equals cosB over sinB space and space then space use space formula space of space cosine space and space sin space rule space for space
all space the space three space terms space and space simplify space it space you space will space get space answer space as space zero. end style
Answered by Expert 13th December 2017, 6:09 PM
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