In a triangle ABC, if angle A = 72° , angle B = 48° and c = 9 cm then Ĉ is

 In a triangle ABC, if angle A = 72° , angle B = 48° and c = 9 cm then Ĉ is

A). 60°

B). 66°

C). 66°

D). 69°

---

Join Telegram Group

Answer This Question
Name:
Email:
Answer :
Sum of (3+4)
Submit:

Other Questions

1. If (cos A + sin A)2 – (cos A – sin A)2 = 1/(1 + tan2 A), then find the value of tan A.

2. If cot A = 12/5, then (sin A + cos A) × cosec A is:

3. 2 sin A sin B is equal to

4.  If the longitude of Tokyo is 139°E and that of Manila is 121°E, what is the time difference between Tokyo and Manila?

5. $Tan 45^{0} + Cosec 60^{0}$ =

6. What is the value of (2 + tan60o)?

7. What should be the missing digit so that the number 275_476 becomes exactly divisible by 11?

8. From two points on the ground lying on a straight line through the foot of a pillar, the two angles of elevation of the top of the pillar are complementary toeach other. If the distance of the two points from the foot of the pillar are 9 metres and 16 metres and the two points lie on the same side of the pillar, then the height of the pillar is

9. Δ DEF is right angled at E. If m∠F = 45°, then what is the value of cosec F × cot D?​

10. What is the simplified value of \({\left( {\frac{1}{{cosecA\; + \;CotA}}} \right)^2}\)?