Prove that 2sin150cos315cos(90-x)/sin(360-x)cos(-240)sin135

Prove that 2sin150*cos315*cos(90-x)/sin(360-x)cos(-240)sin135=2
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2. asked by jennifer
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Prove that 2sin150*cos315*cos(90-x)/sin(360-x)cos(-240)sin135
1. 1 answer
2. asked by ivy
3. 461 views
Solve cos315*cos(-390)-sin225*sin750cos315: <RA = 360-315 = 45 cos45 = 1/√2 cos-390: <RA=-390+360 =30 cos30= √3/2 sin225:
1. 2 answers
2. asked by AmbiguousCase
3. 651 views
Find the exact value of: cos315 degrees.Is the answer sqrt of 2/2? Thanks
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2. asked by Lucy
3. 464 views
Find the exact value of: cos315.I have to use the sum angle formula cos(270+45) cos270 cos45 - sin270 sin45 thats all I have. Is
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2. asked by does it matter at this point?
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Find the magnitude and direction angle of the vector v.v= 8(cos135 degrees i + sin135 degrees J) I think that the answer is v= 5
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2. asked by Hannah
3. 933 views
HII WOULD LIKE TO KNOW WHAT I CAN POSSIBLY PROVE ABOUT EITHER THE BERMUDA TRIANGLE OR ATLANTIS THE LOST EMPIRE WE AARE SUPPOSED
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2. asked by TRIXIE
3. 786 views
I'm supposed to prove that if america stopped getting involved in the affairs of the world the result would NOT be chaos.PLEASE
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2. asked by ally
3. 707 views
uestion 1Video Player A) What theorem can be used to prove that the triangles are congruent? (1 point) Responses SSS SSS ASA ASA
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2. 57 views
7. Prove that tan B� sin B� + cos �B = sec B�.11. Prove that tanλ cos^2λ +sin^2λ/sinλ = cos λ� + sin λ�. 12. Prove that
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2. asked by RUDY
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Prove that 2sin150*cos315*cos(90-x)/sin(360-x)cos(-240)sin135

Prove that 2sin150cos315cos(90-x)/sin(360-x)cos(-240)sin135