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India
Class X

Solve problems involving either sine or cosine rule

Interactive practice questions

Solve for the length of side $a$a.

Round your answer to two decimal places.

Easy
2min

Find the length of $a$a.

Round your answer to two decimal places.

Easy
3min

Calculate the length of $y$y in metres.

Round your answer to one decimal place.

Easy
2min

Find the value of angle $w$w in degrees.

Round your answer to two decimal places.

Easy
3min
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Outcomes

10.T.IT.1

Trigonometric ratios of an acute angle of a right-angled triangle. Proof of their existence (well defined); motivate the ratios, whichever are defined at 0° and 90°. Values (with proofs) of the trigonometric ratios of 30°, 45° and 60°. Relationships between the ratios.

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