1.

State true or false-if true than prove--tan1°*tan89°=tan2°*tan88°

Answer»

MATE here is your answer

tan1°=cot(90°-1°)------------{ by FORMULA}

and

tan2°=cot(90°-2°)

now by PUTTING there VALUES we GET,

cot(90°-1°)*tan89°=cot(90°-2°)*tan88°

cot89°*tan89°=cot88°*tan88°

1=1

LHS=RHS

HENCE PROVED


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