Free Printable Trigonometry class 10

1.

$Sin^2A+Cos^2A$

a)

1

b)

2

c)

0

2.

$Tan^2A-Sec^2A=$

a)

0

b)

1

c)

-1

3.

$1+\tan^2A$

a)

$Sec^2A$

b)

$Co\sec^2A$

4.

Cot ² A -1

a)

Cosec² A

b)

Sec² A

c)

Tan ² A

5.

Sin(90-A)

a)

Cos A

b)

CosecA

c)

SecA

6.

Value of Sin A ------if angle A is increased

a)

Increases

b)

Decreases

7.

Value of Cot A ------if angle A is increased

a)

Increases

b)

Decreases

8.

If Sin θ = cos θ, find the value of θ

a)

45⁰

b)

60⁰

c)

90⁰

9.

If tan θ = cot (30° + θ), find the value of θ

a)

60°

b)

30°

c)

90°

10.

$Cotθ\tan(90°–θ)–Sec(90°–θ)Co\secθ+\sqrt{3}\tan12°\tan60°\tan78°\ \ =\ --$

a)

1

b)

2

c)

3

11.

$2(\sin^6θ+\cos^6θ)–3(\sin^4θ+\cos^4θ)+1\ =\ --$

a)

0

b)

1

c)

2

12.

a)

$\frac{\left(1+\sqrt{3}\right)}{2}$

b)

$1+\sqrt{3}$

13.

a)

0

b)

1

14.

$If\sinθ+\sin^2θ=1\ then\ Cos^2θ+\cos^4θ\ =\ --$

a)

0

b)

1

c)

2

15.

$If\ 7\sin^2θ+3\cos^2θ=4\ then\tanθ=---$

a)

$\sqrt{3}$

b)

$\frac{1}{\sqrt{3}}$

Trigonometry class 10

Total questions: 15

Worksheet time: 8mins

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