Trigonometry Answers

Evaluate.

tan^-1[tan( π/4)]

Simplify your answer. Type your answer in radians.Type an exact answer, using π as needed. Use integer or fractions for any numbers in the expression.

how many solution sets of cos square theta are possible?

Find an equivalent expression for 5csc(x+π/2).

asin(B-C) + bsin(C-A) + csin(A-B) =0

Mark the approximate location of the point determined by the given real number on the unit circle.
How do you determine where the given real number is located?
a) 261

Given the function value and quadrant restriction, find θ.
cosθ=.6561, interval (270°,360°)
θ ≈__°

Please explain step by step.

How do you simplify this problem?
B=90°-83°36′
≈__°__′

IN a hospital, there are 200 beds for patients. OF these, 120 are occupied by males and remaining by females. 20% of the males and 40% of the females are suffering from malaria and rest of them for dengue. If a patient is selected at random, find the probability that he/she is a :A female patientB - MAle patientC - male patient suffering from malariaD - Female patient suffering from dengue

cot ( 90-a) - tan (180-b) ÷ tan (90-a) + cot b

1080•cos98