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Post under tag trignomatry
Recent puzzles under tag trignomatry
Recent
MCQs
Unanswered
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Most answers
+1
vote
What is the value of sin^4 1 + sin^4 2 + sin^4 3 + sin^4 4 ... sin^4 88 + sin^4 89 = ?
posted
Aug 10, 2018
by
anonymous
trigonometry
trignomatry
0
votes
If a + 1/a = 2 Cos 6 then a^1000 + 1/a^1000 + 1 = ??
posted
Dec 21, 2017
by
anonymous
logic
trignomatry
0
votes
What is the range of the values of k such that k Cos A - 3 Sin A = k + 1 has a real solution?
posted
Oct 6, 2017
by
anonymous
trignomatry
algebra
mathematical
–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
0
votes
If in a triangle ABC: Cos A + Cos B + Cos C = 3/2 then what is so special about this triangle?
posted
Jul 23, 2016
by
anonymous
mathematical
trignomatry
+1
vote
What would be the value of Sin(50 + A) - Cos(40 - A)
posted
Mar 3, 2016
by
anonymous
trignomatry
mathematical
0
votes
What is the distance between the points (a cos 25, 0) and (0, a cos 65)?
posted
Mar 2, 2016
by
anonymous
geometry
trignomatry
mathematical
0
votes
If Tan A*Tan B = 3 then what would be the value of Cos (A+B) / Cos (A-B)?
posted
Dec 6, 2015
by
anonymous
trignomatry
mathematical
0
votes
If A+B = 225 then what would be (1+tan A)(1+tan B) = ??
posted
Nov 20, 2015
by
Madhavi Latha
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
If P=Sin A.Sin B, Q= Sin C.Cos A, R = Sin A.Cos B and S=Cos A.Cos C then 5(P^2+Q^2+R^2+S^2) = ??
posted
Jul 21, 2015
by
anonymous
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
0
votes
If for a triangle Cos A + Cos B + Cos C = 3/2, then what is special about the triangle?
posted
Feb 1, 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
+1
vote
If Sin A + Sin^2 A = 1 then what would be Cos^2 A + Cos^4 A
posted
Jan 23, 2015
by
Salil Agrawal
mathematical
trignomatry
+1
vote
If it is given that Sin A = Cos A then calculate Cos 2A?
posted
Jan 21, 2015
by
Salil Agrawal
mathematical
trignomatry
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