Trigonometrical Identities Test

Result

Trigonometrical Identities Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

If angle y is acute, i.e. 0° < y < 90° and sec 55° cos (90° - y) = 1; find the measure of angle y.

A
y = 45°

B
y = 35°

C
y = 65°

D
y = 85°
Question 2
1 / -0

What is the value of (secθ- cosθ) (cosecθ - sinθ) cosec²θ?

A
tanθ

B
sinθ

C
cotθ

D
cosθ
Question 3
1 / -0

Evaluate cos² 60° + cos² 30° + tan 76°.tan 14° - 2.

A
1

B
- 1

C
0

D
4
Question 4
1 / -0

Find the value of x if cos35° cosec55° + tan63° tan27° - x cos²60° = 1.

A
3

B
2

C
- 2

D
4