Without using tables , find the …
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Posted by Komal Jaiswal 3 years, 9 months ago
- 1 answers
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Yogita Ingle 3 years, 9 months ago
Sin30°=1/2
sin90°=1
cos0°=1
tan30°=1√3
tan60°=√3
now putting these these value on question
so..we find
=1/2-1+2×1/1/√3 ×√3
=1/2-1+2/√3/√3
=1-2+4/2
=3/2
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