Ask a New Question

tanx+cotx=5 than find the value of tan^2x+cot^2x

2 answers

well, recall that

(tanx + cotx)^2 = tan^2x + 2tanx*cotx + cot^2x

tanx+cotx=5 then tan^2 x +cot^2 x=?
ans:
25

Ask a New Question or answer this question.

Similar Questions

For this question, they want me to use fundamental trig identities to simplify the expression. The problem is as follows;
1. 5 answers
How do I solve this? My work has led me to a dead end.tan(45-x) + cot(45-x) =4 my work: (tan45 - tanx)/(1+ tan45tanx) + (cot45 -
1. 0 answers
solve each identity algebraically1)(1-tanx)/(1-cotx)=-tanx 2)(1+cotx)/(1+tanx)=cotx
1. 3 answers
Prove cotx-1/cotx+1 = sec2x - tan2xI prove till cotx-1/cotx+1 =1/1+tanx - tanx/1+tanx
1. 1 answer

more similar questions