Trigonometry MCQ Questions and Solutions with Explanations

Section 1 Section 2 Section 3

61.
The value of tan10°. tan15°. tan75°. tan80° is?

A. 0

B. 1

C. -1

D. 2

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62.
If sin7x = cos11x, then the value of tan9x + cot9x is?

A. 1

B. 2

C. 3

D. 4

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63.
The value of $$\left( {{{\sin }^2}7{{\frac{1}{2}}^ \circ } + {{\sin }^2}82{{\frac{1}{2}}^ \circ }} \right)$$ is?

A. 1

B. 2

C. 0

D. 4

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64.
The value of sin²65° + sin²25° + cos²35° + cos²55° is?

A. 0

B. 1

C. 2

D. $$\frac{1}{2}$$

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65.
ABCD is a rectangle of which AC is a diagonal. The value of (tan² ∠CAD + 1)sin² ∠BAC is?

A. 2

B. $$\frac{1}{4}$$

C. 1

D. 0

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Trigonometry MCQ Questions and Solutions with Explanations | Aptitude

61. The value of tan10°. tan15°. tan75°. tan80° is?

Answer & Solution

62. If sin7x = cos11x, then the value of tan9x + cot9x is?

Answer & Solution

63. The value of $$\left( {{{\sin }^2}7{{\frac{1}{2}}^ \circ } + {{\sin }^2}82{{\frac{1}{2}}^ \circ }} \right)$$ is?

Answer & Solution

64. The value of sin265° + sin225° + cos235° + cos255° is?

Answer & Solution

65. ABCD is a rectangle of which AC is a diagonal. The value of (tan2 ∠CAD + 1)sin2 ∠BAC is?

Answer & Solution

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61.
The value of tan10°. tan15°. tan75°. tan80° is?

62.
If sin7x = cos11x, then the value of tan9x + cot9x is?

63.
The value of $$\left( {{{\sin }^2}7{{\frac{1}{2}}^ \circ } + {{\sin }^2}82{{\frac{1}{2}}^ \circ }} \right)$$ is?

64.
The value of sin²65° + sin²25° + cos²35° + cos²55° is?

65.
ABCD is a rectangle of which AC is a diagonal. The value of (tan² ∠CAD + 1)sin² ∠BAC is?