NSTSE Class 10: Questions 7 - 13 of 183

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Question number: 7

» Mathematics » Trigonometry

MCQ▾

Question

If tanθ=13 then secθ=

Choices

Choice (4) Response

a.

2

b.

32

c.

23

d.

All of the above

Question number: 8

» Mathematics » Trigonometry

MCQ▾

Question

If sinθ=1115 then cosθ=

Choices

Choice (4) Response

a.

1511

b.

22615

c.

15262

d.

All of the above

Question number: 9

» Mathematics » Trigonometry

MCQ▾

Question

The value of sin(50°+θ)cos(40°θ)=

Choices

Choice (4) Response

a.

- 1

b.

2

c.

1

d.

0

Question number: 10

» Mathematics » Trigonometry

MCQ▾

Question

In ABCA=30°B=90°,AC=4cm then its area =

Choices

Choice (4) Response

a.

23sqcm

b.

2sqcm

c.

3squnits

d.

All of the above

Question number: 11

» Mathematics » Trigonometry

MCQ▾

Question

1sinθ1+sinθ=

Choices

Choice (4) Response

a.

secθtanθ

b.

1+sinθ1sinθ

c.

tanθsecθ

d.

All of the above

Question number: 12

» Mathematics » Trigonometry

MCQ▾

Question

If 3tanθ=3sinθ then (sin2θcos2θ)=

Choices

Choice (4) Response

a.

13

b.

1

c.

3

d.

None of the above

Question number: 13

» Mathematics » Trigonometry

MCQ▾

Question

If Xsin3θ+Ycos3θ=sinθcosθ and Xsinθ=Ycosθ then

Choices

Choice (4) Response

a.

X2+Y2=1

b.

X2Y2=1

c.

X3+Y3=1

d.

All of the above

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