If a = 20, b = 21 and cos c = 4/5 then c =
Answers
Answered by
7
SOLUTION
GIVEN
TO DETERMINE
The value of c
FORMULA TO BE IMPLEMENTED
We are aware of the formula on Trigonometry that
EVALUATION
Here it is given that
Now
FINAL ANSWER
Hence the required value of c = 13
━━━━━━━━━━━━━━━━
Learn more from Brainly :-
1.In a triangle, prove that (b+c-a)(cotB/2+cotC/2)=2a×cotA/2
https://brainly.in/question/19793971
2. If cosθ+secθ=√2,find the value of cos²θ+sec²θ
https://brainly.in/question/25478419
3. Value of 3 + cot 80 cot 20/cot80+cot20 is equal to
https://brainly.in/question/17024513
Answered by
0
Step-by-step explanation:
this is clear explanation of problem
Attachments:
Similar questions
English,
5 months ago
Social Sciences,
5 months ago
Math,
11 months ago
Science,
11 months ago
Science,
1 year ago