Trigonometry

Sin(180+x) =

• Sin x

• Cos x

• -sin x

• Tan x

Tan 90°=

• 0

• Infinity

• 90

• None of these

Which of the following have infite value

• Cot 0°

• Cosec 0°

• Sec 90°

• All the above

Cos function is positive in which quadrants

• I & IV

• I & II

• II &IV

• III & IV

Complementary angles means

• Sum of the angles is 270°

• Sum of the angles is 90°

• Difference of numbers is 90°

• Difference of numbers is 180°

90°, 180°, 270°,360° .... are called.....

• Supplementary angles

• Complementary angles

• Coterminal angles

• Quadrant angles

Sin 2x=

• Cos 3x

• 2 sinx cosx

• Tan 2x

• None of the above

SinA CosB+ CosA SinB=

• Sin(A-B)

• Sin(A+B)

• Cos(A-B)

• All the above

SinA CosB- CosA SinB=...

• Sin(A-B)

• Sin(A+B)

• Cos(A-B)

• All the above

Sin 150° =

• 1/√2

• 3/√2

• 1/2

• -1/2