Question

EXERCISE 18.2 Without using trigonometric tables, evaluate the following (1 to 5) : 1 cOS 18° © tan 41° sin 72° (ii (iii) cosec 17° 30' sec 72° 301 cOS 490 2 cot 40° (1) tan 50° 1/cos 35° 2 sin 55° sin 49° (11) 2 + COS 41° 2 COS 410 sin 490 sin 72° (iii) sec 32° cosec 58° cOS 18° (iv) cos 750 sin 12° + sin 15° cos 78° cos 18° sin 72° (0) sin 25° + cos 25° sec 65° cosec 65° (i) sin 62° - cos 28° (ii) cosec 35° - sec 55º.​

Answer 1

Answer:

Refer to the attachment.

Step-by-step explanation:

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