9. If tan A = 5, then find the value of (sind + cos A ) sec A
10. If x sin ( 90 - A) cot ( 90 – A) = cos ( 90 - A) then find the value of x.
Answers
Answered by
1
Step-by-step explanation:
If tanA = 5/1 = P/B
value of (sinA + cosA)secA
sinA = P/H
cosA = B/H
secA = H/B
By pytho..
(5)^2 + (1)^2 =(H)^2
25+1=(H)^2
H=√26
P=5
B=1
H=√26
(P/H+B/H)H/B
(5/√26+1/√26)√26/1
{(5+1)/√26}√26/1
(6/√26)√26/1
6/1
6
the answer is 6 of 9th ques
Similar questions