If sin∆=cos∆ then find the value of ∆.

1.	If sin∆=cos∆ then find the value of ∆.
Answer» Sin∆/cos∆=1So,tan∆=1Also,tan45°=1Hence,∆=45° sin∆=cos∆sin∆/cos∆=1tan∆=1∆=45° (tan∆=45°)

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