Verify/prove that: (cotA+cotB)/(tanA+tanB)+(1-cotAcotB)/(1-tanAtanB) = 0

Verify/prove that:(cotA+cotB)/(tanA+tanB)+(1-cotAcotB)/(1-tanAtanB) = 0
1. 2 answers
2. asked by Kid
3. 943 views
How do i prove that left side equals right?Cot(A+B)=cotAcotB-1/(cotA + cotB)
1. 3 answers
2. asked by Chloe
3. 1,309 views
establish the identity:cot(A-B)= cotAcotB+1/cotB-cotA thanks for any help at all
1. 2 answers
2. asked by kristen
3. 1,481 views
Match each ratio in the first row with an equivalent ratio from the second row if angle A plus angle B = 90 degrees.SinA CosA
1. 2 answers
2. asked by krista
3. 1,148 views
Match each ratio in the first row with an equivalent ratio from the second row if angle A plus angle B = 90 degrees.SinA CosA
1. 0 answers
2. asked by justin
3. 630 views
Now we prove Machin's formula using the tangent addition formula:tan(A+B)= tanA+tanB/1-tanAtanB. If A= arctan(120/119) and B=
1. 2 answers
2. asked by alex
3. 1,247 views
If it is given tan(A-B)tanA-tanB/-1+tanAtanB and tanP-1/1+tanP=tan195 Find the value of P
1. 0 answers
2. asked by james
3. 373 views
If it is given that tan(A-B)=tanA-tanB/1+tanAtanB and tanP-1/1+tanP=tan195 find p
1. 2 answers
2. asked by Kale
3. 1,798 views
verify that cos(A-B)/cosAsinB=tanA+cotB is an identity
1. 1 answer
2. asked by sam
3. 1,175 views
verify the following identity:cos(A-B)/cosAsinB=tanA+cotB
1. 0 answers
2. asked by Lynn
3. 567 views