Request a call back

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

CBSE Class 10 Answered

The angle of elevation of the top of a tower from two points distant s and t from its foot are complementary. Prove that the height of the tower is √st.
Asked by naancysingh | 09 Apr, 2022, 07:07: PM
Expert Answer
Using trigonometry, we have
tanx equals straight h over straight s space space... space left parenthesis straight i right parenthesis
tan open parentheses 90 minus straight x close parentheses equals straight h over straight t space space... space left parenthesis ii right parenthesis
Since comma space tanx space cross times space cotx space equals space 1
rightwards double arrow straight h squared over st equals 1
rightwards double arrow straight h equals square root of st
Answered by Renu Varma | 11 Apr, 2022, 11:35: AM
CBSE 10 - Maths
Asked by arindeep.singh | 02 Oct, 2020, 12:19: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by arindeep.singh | 02 Oct, 2020, 12:19: PM
ANSWERED BY EXPERT
Free Sample Papers - Click Here
×