CBSE Class 10CBSE
Share
Notifications

View all notifications

Show that cos 38° cos 52° − sin 38° sin 52° = 0 - CBSE Class 10 - Mathematics

Login
Create free account


      Forgot password?

Question

Show that cos 38° cos 52° − sin 38° sin 52° = 0

Solution

cos 38° cos 52° − sin 38° sin 52°

= cos (90° − 52°) cos (90°−38°) − sin 38° sin 52°

= sin 52° sin 38° − sin 38° sin 52°

= 0

  Is there an error in this question or solution?

APPEARS IN

 NCERT Solution for Mathematics Textbook for Class 10 (2019 to Current)
Chapter 8: Introduction to Trigonometry
Ex. 8.30 | Q: 2.2 | Page no. 189
Solution Show that cos 38° cos 52° − sin 38° sin 52° = 0 Concept: Trigonometric Ratios of Complementary Angles.
S
View in app×