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Post under tag trignomatry
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Unanswerd puzzles under tag trignomatry

0 votes
In triangle ABC, if angle B is 30, what is the range of CosASinC?
posted May 22, 2019 by anonymous
  • mathematical
  • trignomatry
–1 vote
If 5(tan²x-cos²x)=2cos 2x+9 then what is the value of cos 4x
posted Apr 3, 2017 by Vishal Singh
  • trignomatry
  • mathematical
+1 vote
If Sin A + Cos A = sqrt(2) Sin (90 - A) then Cot A = ??
posted Jul 27, 2015 by Tapesh Kulkarni
  • mathematical
  • trignomatry
0 votes
What would be the value of Tan 6 * Tan 42 * Tan 66 * Tan 78?
posted Feb 6, 2015 by anonymous
  • mathematical
  • trignomatry
+2 votes
What would be the possible values of A for a equation Cos^2 A = 1
posted Jan 29, 2015 by Vikram Luthra
  • mathematical
  • trignomatry
...