Ritu’s daughter is feeling hungry and so thought to eat something.
She looked into the fridge and found some bread pieces. She
decided to make a sandwich. She cut the piece of bread diagonally
and found that it forms a right angled triangle with 4cm, 4√3cm and
8cm.
Answers
Answer:
Step-by-step explanation:
Solution :-
(i) tan M = KL/LM
→ tan M = 4/4√3
→ tan M = 1/√3
→ tan M = tan 30°
→ M = 30° (a)
(ii) tan K = LM/KL
→ tan K = 4√3/4
→ tan K = √3
→ tan K = tan 60°
→ K = 60° (c)
(iii)
→ tan M = tan 30° = 1/√3 (b)
(iv)
→ sec² M - 1 = tan² M (c)
(v)
→ (tan²45 - 1)/(tan²45 + 1)
→ (1 - 1)/(1 + 1)
→ 0/2
→ 0 (a)
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