How do you evaluate the expression cot45? - Socratic
2016年10月7日 · cot45˚ = 1 cottheta = 1/tantheta cot45˚= 1/tan45˚ We use the 45-45-90 special triangle to find the value of tan45˚. tantheta = "opposite"/"adjacent" = 1/1 = 1 cot45˚ = 1/tan45˚ = 1/1 = 1 Hopefully this helps!
How do you evaluate #\cot (45^\@ )-\cos (30^\@ )#? - Socratic
2018年5月22日 · cot45-cos30=0.134 show that cotx=cosx/sinx cos45=1/sqrt2 sin45=1/sqrt2 cos30=sqrt3/2 cot45-cos30=cos45/sin45-cos30 =(1/sqrt2)/(1/sqrt2)-sqrt3/2=1-sqrt3/2=1-0.866=0.134
Evaluate sin 30°+ tan45°-cosec60°/sec30°+cos60°+cot45° - hkbjl5gg
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What is the value of #cot(-315^@)#? - Socratic
2016年7月3日 · But #cot45^o=1# Hence #cot(-315^o)=1# Answer link. Related questions. What does it mean to prove a ...
evaluate sin30/cos45+cot45/sec60-sin60/tan45+cos30/sin90 - r8q79
2019年8月18日 · sin30/cos45+ cot45/sec60 - sin60/tan45 + cos30/sin90. Answered by Sneha shidid | 18 Aug, 2019, 19:48: PM ...
How can I solve this problem cot(a-45)= (1+tan(a))/tan(a)-1?
2018年6月13日 · We have to prove: #cot(alpha-45^circ)=(1+tanalpha)/(tanalpha-1)# We know that, #color(red)(cot(A-B)=(cotAcotB+1)/(cotB-cotA}#
Question #68886 - Socratic
2017年11月16日 · What are the units used for the ideal gas law?
Question #e1576 - Socratic
2017年4月10日 · The Given Exp. #=cot(9/2)*cot(18/2)*cot(27/2)*...*cot(171/2) # #=prod_(r=1)^(r=19)cot((9r)/2)# There are 19 terms and 10th term is the middle term which is
Question #b29dc - Socratic
cot(1395^@)=-1. cot(1395^@)=cot(1440^@-45^@)=cot{4(360^@)-45^@}. Therefore, 1395^@ lies in the IV^(th) Quadrant, in which, cos & sec are +ve, so, cot is -ve, and, cot ...
Question #6a69e - Socratic
2017年11月16日 · Given #LHS=(1-cot4°)(1-cot5°)(1-cot6°).....(1-cot41°)# LHS contains priduct of total 38 factors. Now #cot45=cot(41+4)#