CBSE Class 11-science Answered
Please tell
Asked by | 19 May, 2009, 11:50: AM
Expert Answer
tan 495/cot855
=tan(360+135)/cot(720+135)
=tan135/cot(135)
=[tan 135/cot135]
solve further..
we have used the periodicity of trigonometric functions here.
Answered by | 05 Jun, 2009, 11:06: AM
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