Please tell

Asked by  | 19th 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  | 5th Jun, 2009, 11:06: AM

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