Question

The rod AC of a TV disc antenna is fixed
at right angles to the wall AB and a rod
CD is supporting the disc as shown in
Fig. 4. If AC=1.5 m long and CD = 3 m,
find (i) tan (ii) sec 0 + cosec .
Fig. 4
DV
B+
Wall​

Answer 1

Answer:tan theata= 1/root3.

Sec theata + cosec theata= 2/root3 + 2 = 2+2root3/root3

Step-by-step explanation: Take out theata by applying sintheata as given in fig. It will come 30°. So theata = 30°. Apply in given ques and you will get this ans.