Question #85c83 Trigonometry Right Triangles Relating Trigonometric Functions 1 Answer P dilip_k Mar 21, 2017 #( sin(pi/2-x)) /( cos(pi-x))+( tan((3pi)/2-x) )/ (tan(pi+x))# #=cosx /( -cosx)+cotx/ tanx# #=-1+cot^2x# #=cot^2x-1# Answer link Related questions What does it mean to find the sign of a trigonometric function and how do you find it? What are the reciprocal identities of trigonometric functions? What are the quotient identities for a trigonometric functions? What are the cofunction identities and reflection properties for trigonometric functions? What is the pythagorean identity? If #sec theta = 4#, how do you use the reciprocal identity to find #cos theta#? How do you find the domain and range of sine, cosine, and tangent? What quadrant does #cot 325^@# lie in and what is the sign? How do you use use quotient identities to explain why the tangent and cotangent function have... How do you show that #1+tan^2 theta = sec ^2 theta#? See all questions in Relating Trigonometric Functions Impact of this question 1208 views around the world You can reuse this answer Creative Commons License