Home
Class 12
MATHS
If sin theta + sin phi = 2,then which of...

If `sin theta + sin phi = 2`,then which of the following is the value of `cos(theta + phi)`

A

0

B

1

C

-1

D

2

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC RATIOS OF COMPOUND ANGLES

    CHHAYA PUBLICATION|Exercise Very Short Answer type Questions|23 Videos
  • TRIGONOMETRIC RATIOS OF COMPOUND ANGLES

    CHHAYA PUBLICATION|Exercise Short Answer Type Questions|26 Videos
  • TRIGONOMETRIC RATIOS OF COMPOUND ANGLES

    CHHAYA PUBLICATION|Exercise Comprehension Type|6 Videos
  • TRIGONOMETRIC RATIOS OF ASSOCIATED ANGLES

    CHHAYA PUBLICATION|Exercise SAMPLE QUESTIONS FOR COMPETITIVE EXAMS - ASSERTION-REASON TYPE|2 Videos
  • TRIGONOMETRIC RATIOS OF MULTIPLE ANGLES

    CHHAYA PUBLICATION|Exercise Comprehension Type|6 Videos

Similar Questions

Explore conceptually related problems

If sin theta sin phi - cos theta cos phi+1 =0 then the value of 1+ cot theta tan phi is-

If sintheta+sinphi=2 ,then what is the value of cos(theta+phi)?

If A(theta)=[(sin theta, i cos theta),(i cos theta, sin theta)] , then which of the following is not true ?

If " "sec theta = 5/4, "cosec" phi = 13/12 " then find the value of " sec ( theta + phi).

If (sin theta+ cos theta)/(sin theta-cos theta) = 5 then find the value of tan theta .

If 2 sin theta cos theta = 1 , then find the value of sin theta-cos theta .

If 0 lt theta lt pi/2 and sin 2 theta = cos 3 theta, then the value of sin theta is-

If 3 sin theta + 5 cos theta = 5 , then the value of 5 sin theta - 3 cos theta will be-

If x=(2 sin theta)/(1+ sin theta + cos theta) then the value of (1+ sin theta - cos theta)/(1+ sin theta)

If sin theta+cos theta = 7/5 then sin theta cost theta = 12/25 , find the value of sin theta and cos theta .