Advertisement Remove all ads

Evaluate: Sec 75 ° Cosec 15 ° - Mathematics

Sum

Evaluate: `(sec 75°)/("cosec" 15°)`

Advertisement Remove all ads

Solution

`(sec 75°)/("cosec" 15°)`

= `sec(90° - 15°)/("cosec" 15°)`

= `("cosec" 15°)/("cosec"15°)`

= 1

Concept: Complimentary Angles for Secant ( Sec ) and Cosecant ( Cosec )
  Is there an error in this question or solution?
Advertisement Remove all ads

APPEARS IN

Selina Concise Mathematics Class 9 ICSE
Chapter 25 Complementary Angles
Exercise 25 | Q 1.3 | Page 310
Advertisement Remove all ads
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×