Q1: cosA = 4/3 for some angle A.
Q2: tanA = sinA/cosA
Q3: secA = 1cosA, for an acute angle
Q4: sin60º = 2sin30º
Q5: SinA + CosA = 1
Q6: Write the values cos 0°, cos 45°, cos 60° and cos 90°. What happens to the values of cos as angle increases from 0° to 90°?
Q7: Write the values of tan 0°,tan 30°, tan 45°, tan 60° and tan 90°. What happens to the values of tan as angle increases from 0° to 90°?
Q8: If cosec A = √10 . find other five trigonometric ratios.
Q9: The value of (sin 30^{∘} + cos 30^{∘}) − (sin 60^{∘} + cos 60^{∘}) is
Q10: Evaluate the following: 2sin^{2} 30^{∘} − 3cos^{2}45^{∘} + tan^{2}60^{∘}
Q11: Evaluate:
cot^{2}30^{∘ }− 2cos^{2}60^{∘} − 3/ 4sec^{2}45^{∘} − 4sec^{2}30^{∘}
Q12: Write the values of sin 0°, sin 30°, sin 45°, sin 60° and sin 90°. What happens to the values of sin as angle increases from 0° to 90°?
Q13: If sin A = 3/5 .find cos A and tan A.
Q14: In a right triangle ABC right angled at B if sinA = 3/5. find all the six trigonometric ratios of C.
Q15: If sinB = 1/2 , show that 3 cosB − 4 cos^{3}B = 0
You can access the solutions to this worksheet here.
124 videos457 docs77 tests

1. What is trigonometry and why is it important? 
2. What are the primary trigonometric functions and how are they defined? 
3. How can I remember the trigonometric ratios? 
4. What are the values of trigonometric functions for special angles? 
5. How is the unit circle related to trigonometry? 

Explore Courses for Class 10 exam
