Home
Class 11
MATHS
If sin theta + cos theta =1 then sin the...

If `sin theta + cos theta =1` then `sin theta cos theta =`......... A) 0 B) 1 C) 2 D) `1/2`

A

0

B

1

C

2

D

`1/2`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

sin theta/(1+cos theta)=

If theta lies in the first quadrant and 5 tan theta = 4 , " then " (5 sin theta - 3 cos theta )/( sin theta + 2 cos theta )= .............. A) 0 B) 1 C) 1/6 D) 5/14

The sin theta + "cosec" theta =2 , then: sin^(2)theta + "cosec"^(2)theta =............ A) 1 B) 3 C) 2 D) 4

If sin theta + cos theta =a, and sin theta - cos theta =b, then ..... (A) a^2 + b^2 =1 (B) a^2 - b^2 = 1 ( C) a^2 + b^2 =2 (D) a^2 - b^2 =2

If a tan theta = b, then a cos 2 theta+ b sin 2 theta = ............. A) a B) b C) -a D) -b

If 8 theta = pi, then cos 7 theta + cos theta is equal to ............ A) 0 B) 1 C) -1 D) 7

Find the value of 6(sin^6theta+cos^6theta)-9(sin^4theta+cos^4theta)+4 ............ A) -3 B) 0 C) 1 D) 3

If sintheta-costheta=1, then the value of sin^3theta-cos^3theta is................. A) 1 B) -1 C) 0 D) 2

Prove that sin^6theta+cos^6theta=1-3sin^2thetacos^2theta

Prove that sin^4 theta - cos^4 theta = 1 - 2cos^2 theta