Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

ICSE Class 9 Answered

A triangle ABC is right angled at B;find the value of secA. SinC- tanA. TanC /sinB
Asked by Omsingh5701 | 10 Dec, 2019, 09:59: PM
answered-by-expert Expert Answer
In triangle ABC,
A + B + C = 180°
A + C = 90°               B = 90°
C = 90° - A
 
(sec A sin C - tan A tan C) /sin B
= (sec A sin (90° - A) - tan A tan (90° - A)) /sin 90°
= (sec A cos A - tan A cot A)/1
= 1 - 1
= 0
Answered by Sneha shidid | 11 Dec, 2019, 09:45: AM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
ICSE 9 - Maths
In a triangle ABC, show that : tan B+C/2 = cot A/2
Asked by indirasolanki5661.9sdatl | 13 Mar, 2021, 10:43: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
ch coplementary angles show that tan(45+A) tan(45-A)=1
Asked by v.venkateshalu | 17 Nov, 2020, 12:02: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
sin27/coss63  
question image
Asked by vipinjot915 | 14 Feb, 2020, 10:41: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
A triangle ABC is right angled at B;find the value of secA. SinC- tanA. TanC /sinB
Asked by Omsingh5701 | 10 Dec, 2019, 09:59: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
2tan11°tan31°tan45°tan59°tan79°
Asked by jayaraja2399 | 08 Feb, 2018, 09:36: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×