1. explain what is wrong with this problem. Find csc ?, given that sin ? = 4/3 2

Question

1. explain what is wrong with this problem. Find csc ?, given that sin ? = 4/3 2. decide whether the following is an identity: tan [ a + ?/2] = -cot A 3. decide whether the following identity is true or false: cos t sec t =1 4. Solve the equation: cos^-1 (1-2x^2) = sin ^-1 (3/4) 5. Give the degree of ?. ? = sin ^-1 ?3/2 6. use the formula v= rw to find the value of the missing variable. r = 2cm, w = (?/9) radians / sec 7. given that the future value is $3,000 compounded monthly at 10% for 4 years, find the present value. 8.give the signs of the following trigonometric functions: cos (427

Explanation / Answer

sect=1/cost 5. symbols are confusing 6.v=2 *0.349=0.698 cm/sec 8.cos(427) is in first quadrant so it is positive sin also positive in this quadrant 9.44 *Pi radians

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