50 !
without using a calculator, evaluate cos 17°5 - tan 45° 8sin 73°

Explanation:

Cos (17o x5)

Cos (5x17o)

Cos (85o)

Tan(45o8)

Tan(45ox8)

Tan(8x45o)

Tan (360)

Sin (73o) 3.27085

I Hope it helps

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