Introduction to Trigonometry Test

Result

Introduction to Trigonometry Test - 4

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Rank
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Weekly Quiz Competition

Question 1
1 / -0

The value of the expression [cosec (75° + θ) – sec (15° – θ) – tan (55° + θ) + cot (35° – θ)] is

A
– 1

B
0

C
1

D
3/2
Question 2
1 / -0

If cos (α + β) = 0, then sin (α – β) can be reduced to

A
cos β

B
cos 2β

C
sin α

D
sin 2α
Question 3
1 / -0

The value of (tan1° tan2° tan3°... tan89°) is

A
0

B
1

C
2

D
1/2
Question 4
1 / -0

If sinA + sin²A = 1, then the value of the expression (cos²A + cos⁴A) is

A
1

B
1/2

C
2

D
3
Question 5
1 / -0

Given that sinα = 1/2 and cosβ=12, then the value of (α +β) is

A
0°

B
30°

C
60°

D
90°