Prove that.................
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Answered by
1
Tan 135 = tan (180-45)
= - tan45 = -1
= - tan45 = -1
Answered by
1
here is your answer
tan 69° + tan66°/ 1 - tan 69° tan66°
= tan ( 69° + 66°)
= tan ( 135°)
= -1
LHS = -1
RHS = -1
hence proved
hope its help you
tan 69° + tan66°/ 1 - tan 69° tan66°
= tan ( 69° + 66°)
= tan ( 135°)
= -1
LHS = -1
RHS = -1
hence proved
hope its help you
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