Math, asked by Shanmukasujith, 1 year ago

If sin18 =cosx then x=?

Answers

Answered by jay1001

13

Answer:

72°

Step-by-step explanation:

sin x = cos (90 - x°)

sin 18 = cos(90 -18)

sin 18° = cos72°

Answered by smartyrathore

7

sin18°=cosx

sin(90-72°)=cosx

cos72°=cosx

x=72°

Previous Question

Next Question

Similar questions

Math, 6 months ago

13) a) Solve:x/2 - 12 - 34 pls fast...

Math, 6 months ago

Find the value of √49 x √25 A) 7 B) 5 C) 35 D) 13 47. Find the square root of 5625 A) 55 B) 65 C) 75 D) 45 48. Without adding, find the sum (1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17) A) 64 B) 81 C) 36 D) 49 49. Write the unit digit of square of 799 A) 1 B) 2 C) 9 D) 3 50. Find the square root of 441 A) 11 B) 21 C) 31 D) 41 ...

Math, 6 months ago

3. Find the perpendicular height of when the slant height and ite radius is 17 cm a cone is 8cm...

Math, 1 year ago

find the mean of first 10 odd multiples of 7 1.7 2.77 3.70 4.700...

Computer Science, 1 year ago

how we can write an algorithm to find an area of a triangle...

Math, 1 year ago

solve the following exponential equations 4x into 2x is equal to (32) 1/5 × (8)1/3...

Biology, 1 year ago

bioengineering deals with making artificial...

Math, 1 year ago

A body is thrown vertically upward, such that the distance travelled in 6th and 7th second of its motion are equal. The velocity with which body was projected from ground is...