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CBSE Questions for Class 10 Maths Introduction To Trigonometry Quiz 10 - MCQExams.com

csc(90θ)= is equivalent to
454072.png
  • secθ
  • sinθ
  • cosθ
  • None of these
Solve: sec70sin20+cos20cosec 70
  • 0
  • 1
  • 1
  • 2
If A and B are complementary angles, then sinA×secB=
  • 1
  • 0
  • 1
  • 2
tan5tan25tan30tan65tan85=
  • 1
  • 12
  • 3
  • 13
cot(90θ) is equivalent to
  • cotθ
  • cosθ
  • tanθ
  • tanθ
cosec (75+θ)sec(15θ)=
  • 2secθ
  • 2cosecθ
  • 0
  • 1
If tan2A=cot(A21), where 2A is an acute angle, then A= ____
  • 24
  • 27
  • 35
  • 37
sin220+sin270=?
  • 0
  • 1
  • 2
  • 3
Evaluate: tan35cot55+cot78tan12=
  • 0
  • 1
  • 2
  • None of these
If sin15=cos(n×15), then n=.....
  • 1
  • 2
  • 5
  • 0
cot1cot2......cot89=
  • 12
  • 1
  • 0
  • 1
Without trigonometric table, evaluate cot63tan27
  • 0
  • 1
  • 2
  • 2
Find the value of tan10tan15tan75tan80
  • 116
  • 0
  • 1
  • None of these
tan1tan2tan3...tan89=
  • 1
  • 1
  • 0
  • None of above
Without trigonometric table, evaluate sec41ocosec 49o
  • 0
  • 1
  • 2
  • 2
Find the value of cos2θ(1+tan2θ)+sin2θ(1+cot2θ).
  • 1
  • 3
  • 2
  • 4
sin81+tan81, when expressed in terms of angles between 0 and 45, becomes
  • sin9+cos9
  • cos9+tan9
  • sin9+tan9
  • cos9+cot9
Find the value of : cos38csc52tan18tan35tan60tan72tan55=
  • 3
  • 13
  • 13
  • 23
Evaluate: tan30cot60
  • 12
  • 13
  • 3
  • 1
Find the name of the person who first produce a table for solving a triangle's length and angles.
  • William Rowan Hamilton
  • Hipparchus
  • Euclid
  • Issac Newton
What is the meaning of trigonometry in Greek language?
  • Measurement
  • Triangle Measure
  • Angle Measure
  • Degree Measure
If A+B=90o, then ......
  • sinA=sinB
  • cosA=cosB
  • tanA=tanB
  • secA=cosec B
cos(90θ)sec(90θ)tanθcosec (90θ)sin(90θ)cot(90θ)+tan(90θ)cotθ=......
  • 1
  • 1
  • 2
  • 2
In the 5th century who created the table of chords with increasing 1 degree?
  • Hipparchus
  • William Rowan Hamilton
  • Euclid
  • Ptolemy
The value of cot1cot2....cot89 is .....
  • 1
  • 0
  • 1
  • None of above
If cosθ=144 and sinθ = 83, what is the value of cotθ?
  • 1116
  • 1316
  • 1621
  • 2116
If cosθ=221 and sinθ=67, what is the value of tanθ?
  • 4
  • 9
  • 6
  • 7
If t=45, what is sec(t)sin(t)cosec(t)cos(t)?
  • 2
  • 1
  • 0
  • π2
  • None of the above
If sinθ+cosθ=2, find the value of sinθ×cosθ.
  • 2
  • 21
  • 12
  • 2secθ
In the following figure ABBC and ACB=30, given BC=300 m. The length of AB is
610549_d7c4f1ee20754cdfa28a3bb7672cf40a.png
  • 10 m
  • 100 m
  • 103 m
  • 1003 m
0:0:3


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