Trigonometry

Question 1

Pythagorean Triplet — 7, 24, ?

Answer 1

25

Question 2

Pythagorean Triplet — 8, 15, ?

Answer 2

17

Question 3

Pythagorean Triplet —- (9, 40, ?)

Answer 3

41

Question 4

Pythagorean Triplet —- (11, 60, ?)

Answer 4

61

Question 5

Pythagorean triplet —- (12, 35, ?)

Answer 5

37

Question 6

Pythagorean triplet— (13, 84, ?)

Answer 6

85

Question 7

Pythagorean triplet—- (16, 63, ?)

Answer 7

65

Question 8

Pythagorean triplet—- (20, 21, ?)

Answer 8

29

Question 9

Pythagorean triplet—- (28, 45, ?)

Answer 9

53

Question 10

Pythagorean triplet— (33, 56, ?)

Answer 10

65

Question 11

Pythagorean triplet—- (36, 77, ?)

Answer 11

85

Question 12

Pythagorean triplet — (39, 80, ?)

Answer 12

89

Question 13

Pythagorean triplet—- (48, 55, ?)

Answer 13

73

Question 14

Pythagorean triplet—- (65, 72, ?)

Answer 14

97

Question 15

Pythagorean triplet— (20, 99, ?)

Answer 15

101

Question 16

Value of Trignometric ratios

Answer 16

Sin(a) = Perpendicular/ Hypotenuse (P/H)
Cos(a) = Base/ Hypotenuse (B/H)
Tan(a) = Perpendicular/ Base (P/B)
Cot(a) = Base/ Perpendicular (B/P)
Sec(a) = Hypotenuse/ Base (H/B)
Cosec(a) = Hypotenuse/ Perpendicular (H/P)

Question 17

sin⁴a + cos⁴a = ?

Answer 17

(1–2sin²a)(1–cos²a)

Question 18

sin⁶a + cos⁶a = ?

Answer 18

1–3sin²a1–cos²a

Question 19

1 = ?

Answer 19

sin²a + cos²a
sec²a - tan²a