alleryStart learning →In a right triangle, cos A · sec A equals:
- tan A
- 0
- 1
- sin A
Show answer and solution
Correct answer: C. 1
sec A is defined as 1/cos A, so cos A · sec A = cos A · (1/cos A) = 1.
Indian Navy SSR (Sailor) Intro Trigonometry — practice questions
Explore 3 free Intro Trigonometry questions in Indian Navy SSR (Sailor) Mathematics. Open each question or exercise to read its content, reference answers and available explanation.
Practise Intro Trigonometry with Quill →Intro Trigonometry questions and exercises with answers
Showing questions 1–3 of 3.
Worked practice questions
Match each trigonometric ratio
Read exercise and reference answers
- Matching pairs
- Left
- sin A
- Right
- Opposite side over the hypotenuse
- Left
- cos A
- Right
- Adjacent side over the hypotenuse
- Left
- tan A
- Right
- Opposite side over the adjacent side
- Left
- cosec A
- Right
- The reciprocal of sin A
- Instructions
- Tap a ratio on the left, then tap how it is formed.
_Source: syllabus Maths Ch8 Introduction to Trigonometry, INTRODUCTION TO TRIGONOMETRY_
Which value is larger?
Read exercise and reference answers
- Questions
- A
- sin 0 degrees
- B
- cos 0 degrees
- Higher value
- cos 0 degrees
- A
- sin 90 degrees
- B
- sin 0 degrees
- Higher value
- sin 90 degrees
- A
- tan 45 degrees
- B
- tan 0 degrees
- Higher value
- tan 45 degrees
- A
- cos 0 degrees
- B
- cos 90 degrees
- Higher value
- cos 0 degrees
- Instructions
- Tap the trigonometric value that is larger.
_Source: syllabus Maths Ch8 Introduction to Trigonometry, INTRODUCTION TO TRIGONOMETRY_
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