## Question

### Solution

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#### SIMILAR QUESTIONS

Q1

In ΔABC, the line joining the circumcentre to the incentre is parallel to BC, then cos B + cos C is equal to

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Q2

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Q3

Find the radian measure corresponding to – 37^{0} 30’.

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Q4

The minute hand of a clock is 10 cm long. How far does the tip of the hand move in 20 minutes?

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Q5

A rail road curve is to be laid out on a circle. What radius should be used if the track is to change direction by 25^{0} in a distance of 40 meters?

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Q6

Find the minimum and maximum values of sin^{2} θ + cos^{2} θ

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Q7

Evaluate: sin (1560^{0}).

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Q8

Evaluate: cos (–3030^{0}).

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Q9

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Q10

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