Trigonometry Answers

If A, B, C, are the interior angles of a treangle ABC,show that cosec square A(B+C/2)- tan square A(A/2)=1

How do you see cubic graphy or palobora

From a boat on the lake, the angle of elevation to the top of a cliff is 24°52'. If the base of the cliff is 944 feet from the boat, how high is the cliff (to the nearest foot)?

438 ft

441 ft

448 ft

451 ft

show work and explanations please

Find all solutions in the interval [0, 2π).

7 tan3x - 21 tan x = 0

Help me please

Find all solutions in the interval [0, 2π).

cos x = sin x

Help me please

prove that
sinB/sinA=sin(2A+B)/sinA-2cos(A+B)

If tan (x)+cot(x)=2 then tan 2(x)+cot 2 (x)=?

find the angel of least positive measure that is co-terminal with negative 223 degrees.

A vector w of magnitude 50 points southeast. Resolve the vector into southerly and easterly components.
a) The southerly component has a magnitude of ___.
b)What is the length?

Andrea and Carlos left the airport at the same time. Andrea flew at 190 mph on a course with bearing of 80°, and Carlos flew at 240 mph on a course with a bearing of 210°.
How far apart were they after 4 hours?
__mi
(Round to the nearest tenth)