Math, asked by bharathvikas4, 1 year ago

2. cos66° + sin84 = ? what is the value of the question

Answers

Answered by Rahulmsd

0

Step-by-step explanation:

cos(60+6)+sin(90-6)

cos60cos6-sin60sin6+cos6

1/2(cos6)-√3/2(sin6)+cos6

1/2[cos6-√3.sin6+2cos6]

1/2[3cos6-√3sin6]

Previous Question

Next Question

Similar questions

CBSE BOARD XII, 6 months ago

where does sparrow live?

Computer Science, 6 months ago

MG full form ...........

Physics, 6 months ago

A ball is moving along the hyperbolic path xy=9 with constant speed of 8sqrt(10)m/s .Velocity of particle (in m/s) along x -direction when it at x=sqrt(3) is...

English, 1 year ago

Autobiography of a street beggar...

Physics, 1 year ago

What is the solvent of dilute hydrochloric acid...

Chemistry, 1 year ago

Hydride of certain non-metallic element x is amphoteric in nature. It also reacts with sodium hydride as well as with metallic sodium to liberate dihydrogen gas. The element x can be...

Physics, 1 year ago

Two particles starting from a point on a circle of radius 4 m in horizontal plane move along the circle with constant speeds of 4 ms1 and 6 ms1 respectively in opposite directions. The particles will collide with each other after a time of...

Math, 1 year ago

1. In a group of students, if a student aged 19 years is replaced by a student aged 25 years, the average age of the group increases by 0.4 years. Find the number of students in the grou...