Question

9 Prove that 2sin 'x = sin" (2007-21​

Answer 1

Step-by-step explanation:

Sin18/cos (90 - 18 ) + root 3 ( tan (90 - 80) tan (90 - 50) tan 45 tan50 tan 80)

sin18/sin18 + root 3 ( cot 80 cot 50 tan 45 tan50 tan 80)

1 + root 3(1)

1 + 1 = 2 ANSWER.

note - it should be tan 45 instead of tan 40.

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bye.... gn.... .....