Math, asked by adamsmichael086, 5 months ago

if the cosine of one angle of a right-angled triangle is 0.7, find the third angle

Answers

Answered by tyrbylent

8

Answer:

44.427°

Step-by-step explanation:

cos β = 0.7 ⇒ β = arc-cos 0.7 ≈ 45.573°

90° - 45.573° = 44.427°

Previous Question

Next Question

Similar questions

Math, 2 months ago

Name six elements of triangle PQR.

Math, 2 months ago

Prove that :- 10×20+1/2×4×400=1000.

English, 2 months ago

Revision-3 Change the voice 1. Do you do your work on time? 2. Did he do his work on time? 3. Was he doing his work on time? 4. Has he done his work on time? 5. Have the girls completed their work? 6. Are the boys doing their work? 7. Is the master advising his kids? 8. What had the boy been eating? 9. My father gave me a good story book. 10. The story books were read by all.

Chemistry, 5 months ago

calculate the volume in dm^3 at S T P for 30 g of HCL...

Math, 5 months ago

The following graph shows a proportional relationship. What is the constant of proportionality between yyy and xxx in the graph? Constant of proportionality ==equals...

English, 10 months ago

There is one correct key to open a ne correct key to open a lock, in a bunch of 6 keys. What is the probability chosen at random will be the one that opens the lock.

Biology, 10 months ago

difference between voluantry and involumian of muscle...

Math, 10 months ago

Binu bought 5 rulers, 7 ink pads and 3 pens at a cost of Rs.52. Rosy bought 4 pens , 6 ink pads and 7 rulers for Rs.53 when Paul bought 7 pens and 3 ink pads, the shop keeper took a 50rupees. Find the cost of each.