CBSE Class 10 Answered
Proe that SinA-cosA +1/sinA + cosA -1 = 1/secA -tanA
Asked by Simran Kaur | 10 Sep, 2013, 01:10: PM
Expert Answer
LHS =
= (1 + sinA) (1 - sinA)/cos A(1 - sinA)
= 1 - sin2A/cos A(1 - sinA)
= cos2A/cos A(1 - sinA)
= cosA/(1 - sinA)
= 1/ (1/cosA - sinA/cosA)
= 1/secA - tanA
= RHS
Answered by | 10 Sep, 2013, 03:38: PM
Application Videos
-
This video explains the concepts of Trigonometric identities, Trigonometric... -
This video explains the concepts of Trigonometric Identities, Trigonometric... -
This video explains the concepts of Trigonometric Identities, Trigonometric... -
This video explains the concepts of Trigonometric Identities, Trigonometric... -
The video explains the relation between trigonometric functions
Concept Videos
-
Relationship between sides and angles of a triangle. Define trigonometric r... -
Trigonometric ratios of some specific angles like 0,30,45,60,90 degrees. -
This video explains the Applications of Trigonometric Identities in solving... -
Discuss concept of complementary angles in right angled triangle. Trigonom... -
Prove trigonometric identities involving the basic trigonometric ratios si...
CBSE 10 - Maths
Asked by mohantybasanti04 | 22 Jan, 2023, 07:08: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by harshitgamer6386 | 14 Jan, 2023, 08:22: AM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by riddhu542007 | 07 Jan, 2023, 09:31: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by skailas803 | 05 Jan, 2023, 11:37: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by rumanshukumar0 | 04 Jan, 2023, 10:44: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by barbysingh2006 | 30 Dec, 2022, 08:41: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by rc1827805 | 23 Dec, 2022, 08:11: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by deepakverma786024 | 18 Dec, 2022, 05:43: AM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by devanshsinghbais111 | 11 Oct, 2022, 01:57: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by Bavashreelogasundaram | 22 Sep, 2022, 08:26: PM
ANSWERED BY EXPERT