English

The value of sin 23° − cos 67° is ______.

Advertisements
Advertisements

Question

The value of sin 23° − cos 67° is ______.

Options

  • 1

  • 0

  • cos 44°

  • − cos 44°

MCQ
Fill in the Blanks
Advertisements

Solution

The value of sin 23° − cos 67° is 0.

Explanation:

Using the complementary angle property,

cos 67° = sin(90° − 67°)

= sin 23°

Therefore, sin 23° − sin 23° = 0.

shaalaa.com
  Is there an error in this question or solution?
Chapter 21: Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals] - TEST YOURSELF [Page 334]

APPEARS IN

Selina Concise Mathematics [English] Class 9 ICSE
Chapter 21 Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals]
TEST YOURSELF | Q 1. (d) | Page 334
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×