Use an addition or subtraction formula to find the exact value. 1. sin15° 2. cos 12 3. tan 75°

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A: (a)

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A: Introduction: We know that the general solution of sinx=1 is x=π2+2πn, where n is an integer. and if…

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A: We will simplify using various trig identities as following-

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A: topic - trigonometric ratios

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A: Find which of the following is undefined.

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A: Trigonometry Question

Q: sin (a - B) = ? cos a cos B O A. cot a- cot B O B. tan ß- tan a O C. tan a- tan B O D. - tan a- cot…

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Q: 17x sin 6. а. undefined b. -V3 cos (-210°) 2. cos270° C. 0 tan450° d.

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