Math Chapter Wise

EnglishOAVS TGT 2021

Q41.Solve: 4 sin2 x – 1 = 0, 0 x 2

A3 B4 C6 D5

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EnglishOAVS TGT 2021

Q42.If 4 4 10sin x 15cos x 6, then the value of 8 6 81cosec x 8tan x is:

A625 B652 C648 D638

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EnglishOAVS TGT 2021

Q43.(log cosec 1° ° + log cosec 2° ° +.........+log cosec 89° °) + (log tan 1° ° + log tan 2° ° +........+log tan 89° °) – (log sec 1° ° + log sec 2° ° +.........+log sec 89° °) = ____.

A0 Blog 2 C1 Dlog 2

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EnglishOAVS TGT 2021

Q44.sin 800 – cos 800 = ______.

A3sin55 B2 sin55 C2 sin35 D3sin35

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EnglishOAVS TGT 2021

Q45.If 2 2 2 A B (cosA cosB) (sinA sinB) sin, 2 then what is the value of λ?

A6 B2 C4 D1

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EnglishOAVS TGT 2021

Q46.3 12cos 9cos ________. 6 6

A1/2 B1 C3/2 D0

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EnglishOAVS TGT 2019

Q47.If 1 cosθ x= – sinθ sinθ and 1 cosθ y = + sinθ sinθ then which of the following is true.

Axy = 1 Bx – y = 1 Cx + y = 1 Dx – y = 0

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EnglishOAVS TGT 2019

Q48.The value of 2 2 2 2 2 sin 19º+sin 71º +sin 71º+cos71ºsin19º cos 24º+cos 66º is:

A1 B0 C2 D–1

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EnglishOAVS TGT 2019

Q49.If sin4 a – cos4 a = 1/3 then what is the value of 1–2cos2 a?

A–1/3 B1 C0 D1/3

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EnglishOAVS TGT 2018

Q50.Which of the following correctly expresses sin 1600 in terms of trigonometrically ratios?

Asin 100 Bsin 200 Csin 300 Dsin 700

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EnglishHarayana TGT 2020 / OAVS TGT 2018

Q51.The value of tan 1°, tan 2°,........tan 89° is:

A1 B2 C0 D1/2

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EnglishOAVS TGT 2017

Q52.Which of the following is false?

Asin2 θ + cos2 θ =1 B1+ cot2 θ = cosec2 θ Csec2 θ–tan2 θ=1 Dsec2 θ + 1 = tan2 θ

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EnglishKVS TGT 2017

Q53.1 1 cos 2sin 2 2 is equal to–

A4 B6 C3 D2/3

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EnglishKVS TGT 2017

Q54.If 3 sin 2θ = 2 sin 3θ and 0 < θ < π then value of sin 2θ is–

A2/3 B3/5 C15/4 D2/5

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EnglishKVS TGT 2017

Q55.Let B = 2 sin2 x–cos2x, then–

A1 B 3 B0 B 2 C1 B 1 D2 B 2

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EnglishUP TGT 2021

Q56.In a ∆ ∆ ∆ABC, b = 5 cm, a = 2 cm and 3 sinA = 7. How many such triangles are possible?

A0 B1 C2 D3

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EnglishUP TGT 2021

Q57.In ∆ ∆ ∆ABC, a = 2b and π A – B = 3, then ∠ ∠ ∠C is ∆ ∆ABC ceW a = 2b Deewj π A – B = 3, lees ∠ ∠ ∠C nw

A2/π B3/π C6/π D4/π

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EnglishUP TGT 2021

Q58.In a triangle ABC if sinB cosA = 2sinC then triangle is

AIsosceles BEquilateral CRight angled DNone of the above

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EnglishUP TGT 2021

Q59.2 + 2 + 2 + 2cos8θ is equal to

A2 sin θ B2 cos θ Csin 2θ Dcos 2θ

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EnglishUPPSC Ashram Paddhati 2021

Q60.The number of solutions of cos 2θ = sinθ in the interval (0, 2π) is

A2 B3 C4 D1

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