C3 Addition Formulae Help
The acute angle A is such that tanA=2,
i)Find the exact value of cosecA. COMPLETED
ii)The angle B is such that tan(A+B)=3. Using an appropriate identity, find the exact value of tanB.
Any help on part ii would be extremely helpful. Thanks
i)Find the exact value of cosecA. COMPLETED
ii)The angle B is such that tan(A+B)=3. Using an appropriate identity, find the exact value of tanB.
Any help on part ii would be extremely helpful. Thanks
Original post by SimonHackland
The acute angle A is such that tanA=2,
i)Find the exact value of cosecA. COMPLETED
ii)The angle B is such that tan(A+B)=3. Using an appropriate identity, find the exact value of tanB.
Any help on part ii would be extremely helpful. Thanks
i)Find the exact value of cosecA. COMPLETED
ii)The angle B is such that tan(A+B)=3. Using an appropriate identity, find the exact value of tanB.
Any help on part ii would be extremely helpful. Thanks
Do you know the formula for Tan(A+B)
Original post by TenOfThem
Do you know the formula for Tan(A+B)
Yes, I believe it is:
tan(A+B) = tanA+tan B/
1-tanAtanB
Original post by SimonHackland
Yes, I believe it is:
tan(A+B) = tanA+tan B/
1-tanAtanB
tan(A+B) = tanA+tan B/
1-tanAtanB
So, you know that =3 and you know TanA= 2
Surely you can find TanB
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